6407133877 has 2 divisors, whose sum is σ = 6407133878. Its totient is φ = 6407133876.

The previous prime is 6407133853. The next prime is 6407133881. The reversal of 6407133877 is 7783317046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5722317316 + 684816561 = 75646^2 + 26169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6407133877 is a prime.

It is a super-2 number, since 2×6407133877² = 82102729035602102258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6407133977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3203566938 + 3203566939.

It is an arithmetic number, because the mean of its divisors is an integer number (3203566939).

Almost surely, 2^6407133877 is an apocalyptic number.

It is an amenable number.

6407133877 is a deficient number, since it is larger than the sum of its proper divisors (1).

6407133877 is an equidigital number, since it uses as much as digits as its factorization.

6407133877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 46.

The square root of 6407133877 is about 80044.5743133162. The cubic root of 6407133877 is about 1857.3251215342.

The spelling of 6407133877 in words is "six billion, four hundred seven million, one hundred thirty-three thousand, eight hundred seventy-seven".