6614651497 has 2 divisors, whose sum is σ = 6614651498. Its totient is φ = 6614651496.

The previous prime is 6614651423. The next prime is 6614651573. The reversal of 6614651497 is 7941564166.

6614651497 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6214011241 + 400640256 = 78829^2 + 20016^2 .

It is a cyclic number.

It is not a de Polignac number, because 6614651497 - 2⁷ = 6614651369 is a prime.

It is a super-2 number, since 2×6614651497² = 87507228853528682018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6614651497.

It is not a weakly prime, because it can be changed into another prime (6614658497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3307325748 + 3307325749.

It is an arithmetic number, because the mean of its divisors is an integer number (3307325749).

Almost surely, 2^6614651497 is an apocalyptic number.

It is an amenable number.

6614651497 is a deficient number, since it is larger than the sum of its proper divisors (1).

6614651497 is an equidigital number, since it uses as much as digits as its factorization.

6614651497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 6614651497 is about 81330.5077876685. The cubic root of 6614651497 is about 1877.1644571912.

The spelling of 6614651497 in words is "six billion, six hundred fourteen million, six hundred fifty-one thousand, four hundred ninety-seven".