157093998373 has 4 divisors (see below), whose sum is σ = 169178152108. Its totient is φ = 145009844640.

The previous prime is 157093998349. The next prime is 157093998379. The reversal of 157093998373 is 373899390751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 373899390751 = 8951 ⋅41771801.

It can be written as a sum of positive squares in 2 ways, for example, as 37963404964 + 119130593409 = 194842^2 + 345153^2 .

It is a cyclic number.

It is not a de Polignac number, because 157093998373 - 2²⁵ = 157060443941 is a prime.

It is a super-2 number, since 2×157093998373² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157093998379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6042076848 + ... + 6042076873.

It is an arithmetic number, because the mean of its divisors is an integer number (42294538027).

Almost surely, 2^157093998373 is an apocalyptic number.

157093998373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

157093998373 is a deficient number, since it is larger than the sum of its proper divisors (12084153735).

157093998373 is a wasteful number, since it uses less digits than its factorization.

157093998373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084153734.

The product of its (nonzero) digits is 38578680, while the sum is 64.

The spelling of 157093998373 in words is "one hundred fifty-seven billion, ninety-three million, nine hundred ninety-eight thousand, three hundred seventy-three".