157863916429 has 2 divisors, whose sum is σ = 157863916430. Its totient is φ = 157863916428.

The previous prime is 157863916421. The next prime is 157863916487. The reversal of 157863916429 is 924619368751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109673568900 + 48190347529 = 331170^2 + 219523^2 .

It is a cyclic number.

It is not a de Polignac number, because 157863916429 - 2³ = 157863916421 is a prime.

It is a super-2 number, since 2×157863916429² (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 (157863916421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78931958214 + 78931958215.

It is an arithmetic number, because the mean of its divisors is an integer number (78931958215).

Almost surely, 2^157863916429 is an apocalyptic number.

It is an amenable number.

157863916429 is a deficient number, since it is larger than the sum of its proper divisors (1).

157863916429 is an equidigital number, since it uses as much as digits as its factorization.

157863916429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 61.

The spelling of 157863916429 in words is "one hundred fifty-seven billion, eight hundred sixty-three million, nine hundred sixteen thousand, four hundred twenty-nine".