157829845631 has 2 divisors, whose sum is σ = 157829845632. Its totient is φ = 157829845630.

The previous prime is 157829845583. The next prime is 157829845687. The reversal of 157829845631 is 136548928751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157829845631 - 2³⁴ = 140649976447 is a prime.

It is a super-2 number, since 2×157829845631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157829845931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78914922815 + 78914922816.

It is an arithmetic number, because the mean of its divisors is an integer number (78914922816).

Almost surely, 2^157829845631 is an apocalyptic number.

157829845631 is a deficient number, since it is larger than the sum of its proper divisors (1).

157829845631 is an equidigital number, since it uses as much as digits as its factorization.

157829845631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14515200, while the sum is 59.

The spelling of 157829845631 in words is "one hundred fifty-seven billion, eight hundred twenty-nine million, eight hundred forty-five thousand, six hundred thirty-one".