1957065896403 has 28 divisors (see below), whose sum is σ = 2934729264600. Its totient is φ = 1304500406976.

The previous prime is 1957065896347. The next prime is 1957065896407. The reversal of 1957065896403 is 3046985607591.

1957065896403 is a `hidden beast` number, since 1 + 9 + 5 + 7 + 0 + 6 + 589 + 6 + 40 + 3 = 666.

It is not a de Polignac number, because 1957065896403 - 2⁸ = 1957065896147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1957065896407) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4378875 + ... + 4805067.

It is an arithmetic number, because the mean of its divisors is an integer number (104811759450).

Almost surely, 2^{1957065896403} is an apocalyptic number.

1957065896403 is a deficient number, since it is larger than the sum of its proper divisors (977663368197).

1957065896403 is an frugal number, since it uses more digits than its factorization.

1957065896403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432510 (or 432495 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 63.

The spelling of 1957065896403 in words is "one trillion, nine hundred fifty-seven billion, sixty-five million, eight hundred ninety-six thousand, four hundred three".