1957350213 has 48 divisors (see below), whose sum is σ = 3484289536. Its totient is φ = 1031097600.

The previous prime is 1957350191. The next prime is 1957350247. The reversal of 1957350213 is 3120537591.

1957350213 is a `hidden beast` number, since 1 + 95 + 7 + 350 + 213 = 666.

It is not a de Polignac number, because 1957350213 - 2²⁰ = 1956301637 is a prime.

It is a super-2 number, since 2×1957350213² = 7662439712662290738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957350413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1085913 + ... + 1087713.

Almost surely, 2^1957350213 is an apocalyptic number.

1957350213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1957350213 is a deficient number, since it is larger than the sum of its proper divisors (1526939323).

1957350213 is a wasteful number, since it uses less digits than its factorization.

1957350213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154 (or 3151 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 1957350213 is about 44241.9508272409. The cubic root of 1957350213 is about 1250.9007295664.

The spelling of 1957350213 in words is "one billion, nine hundred fifty-seven million, three hundred fifty thousand, two hundred thirteen".