1144677851 has 2 divisors, whose sum is σ = 1144677852. Its totient is φ = 1144677850.

The previous prime is 1144677839. The next prime is 1144677907. The reversal of 1144677851 is 1587764411.

It is a weak prime.

It is an emirp because it is prime and its reverse (1587764411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144677851 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1144671851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572338925 + 572338926.

It is an arithmetic number, because the mean of its divisors is an integer number (572338926).

Almost surely, 2^1144677851 is an apocalyptic number.

1144677851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144677851 is an equidigital number, since it uses as much as digits as its factorization.

1144677851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 44.

The square root of 1144677851 is about 33833.0881091277. The cubic root of 1144677851 is about 1046.0708332131.

The spelling of 1144677851 in words is "one billion, one hundred forty-four million, six hundred seventy-seven thousand, eight hundred fifty-one".