157087641629 has 2 divisors, whose sum is σ = 157087641630. Its totient is φ = 157087641628.

The previous prime is 157087641563. The next prime is 157087641637. The reversal of 157087641629 is 926146780751.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151593422500 + 5494219129 = 389350^2 + 74123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157087641629 is a prime.

It is a super-2 number, since 2×157087641629² (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 (157087641329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78543820814 + 78543820815.

It is an arithmetic number, because the mean of its divisors is an integer number (78543820815).

Almost surely, 2^157087641629 is an apocalyptic number.

It is an amenable number.

157087641629 is a deficient number, since it is larger than the sum of its proper divisors (1).

157087641629 is an equidigital number, since it uses as much as digits as its factorization.

157087641629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 157087641629 in words is "one hundred fifty-seven billion, eighty-seven million, six hundred forty-one thousand, six hundred twenty-nine".