1956814895044 has 27 divisors (see below), whose sum is σ = 3637800537357. Its totient is φ = 920831686464.

The previous prime is 1956814895041. The next prime is 1956814895047. The reversal of 1956814895044 is 4405984186591.

The square root of 1956814895044 is 1398862.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (1956814895041) and next prime (1956814895047).

It can be written as a sum of positive squares in only one way, i.e., 1523471804100 + 433343090944 = 1234290^2 + 658288^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1956814895041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 47540737 + ... + 47581879.

Almost surely, 2^{1956814895044} is an apocalyptic number.

1956814895044 is the 1398862-nd square number.

It is an amenable number.

1956814895044 is a deficient number, since it is larger than the sum of its proper divisors (1680985642313).

1956814895044 is an frugal number, since it uses more digits than its factorization.

1956814895044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82324 (or 41162 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 64.

Multiplying 1956814895044 by its sum of digits (64), we get a square (125236153282816 = 11190896²).

The spelling of 1956814895044 in words is "one trillion, nine hundred fifty-six billion, eight hundred fourteen million, eight hundred ninety-five thousand, forty-four".