157029493589 has 2 divisors, whose sum is σ = 157029493590. Its totient is φ = 157029493588.

The previous prime is 157029493583. The next prime is 157029493613. The reversal of 157029493589 is 985394920751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156228886564 + 800607025 = 395258^2 + 28295^2 .

It is a cyclic number.

It is not a de Polignac number, because 157029493589 - 2¹⁶ = 157029428053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157029493583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78514746794 + 78514746795.

It is an arithmetic number, because the mean of its divisors is an integer number (78514746795).

Almost surely, 2^157029493589 is an apocalyptic number.

It is an amenable number.

157029493589 is a deficient number, since it is larger than the sum of its proper divisors (1).

157029493589 is an equidigital number, since it uses as much as digits as its factorization.

157029493589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24494400, while the sum is 62.

The spelling of 157029493589 in words is "one hundred fifty-seven billion, twenty-nine million, four hundred ninety-three thousand, five hundred eighty-nine".