1896731474955 has 16 divisors (see below), whose sum is σ = 3035135710464. Its totient is φ = 1011468336480.

The previous prime is 1896731474927. The next prime is 1896731474977. The reversal of 1896731474955 is 5594741376981.

It is not a de Polignac number, because 1896731474955 - 2⁸ = 1896731474699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1896731474955.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7482649 + ... + 7731978.

It is an arithmetic number, because the mean of its divisors is an integer number (189695981904).

Almost surely, 2^{1896731474955} is an apocalyptic number.

1896731474955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1896731474955 is a deficient number, since it is larger than the sum of its proper divisors (1138404235509).

1896731474955 is a wasteful number, since it uses less digits than its factorization.

1896731474955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15222946.

The product of its digits is 228614400, while the sum is 69.

The spelling of 1896731474955 in words is "one trillion, eight hundred ninety-six billion, seven hundred thirty-one million, four hundred seventy-four thousand, nine hundred fifty-five".