944156634851 has 2 divisors, whose sum is σ = 944156634852. Its totient is φ = 944156634850.

The previous prime is 944156634697. The next prime is 944156634901. The reversal of 944156634851 is 158436651449.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 944156634851 - 2¹⁴ = 944156618467 is a prime.

It is a super-2 number, since 2×944156634851² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (944156634451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472078317425 + 472078317426.

It is an arithmetic number, because the mean of its divisors is an integer number (472078317426).

Almost surely, 2^944156634851 is an apocalyptic number.

944156634851 is a deficient number, since it is larger than the sum of its proper divisors (1).

944156634851 is an equidigital number, since it uses as much as digits as its factorization.

944156634851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12441600, while the sum is 56.

The spelling of 944156634851 in words is "nine hundred forty-four billion, one hundred fifty-six million, six hundred thirty-four thousand, eight hundred fifty-one".