1957996935 has 32 divisors (see below), whose sum is σ = 3483648000. Its totient is φ = 1043435808.

The previous prime is 1957996933. The next prime is 1957996961. The reversal of 1957996935 is 5396997591.

It is a happy number.

It is not a de Polignac number, because 1957996935 - 2¹ = 1957996933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957996933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189226 + ... + 199304.

It is an arithmetic number, because the mean of its divisors is an integer number (108864000).

Almost surely, 2^1957996935 is an apocalyptic number.

1957996935 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1957996935 is a deficient number, since it is larger than the sum of its proper divisors (1525651065).

1957996935 is a wasteful number, since it uses less digits than its factorization.

1957996935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11532 (or 11526 counting only the distinct ones).

The product of its digits is 20667150, while the sum is 63.

The square root of 1957996935 is about 44249.2591463405. The cubic root of 1957996935 is about 1251.0384831366.

The spelling of 1957996935 in words is "one billion, nine hundred fifty-seven million, nine hundred ninety-six thousand, nine hundred thirty-five".