1954776731912 has 32 divisors (see below), whose sum is σ = 3743589899520. Its totient is φ = 956490541440.

The previous prime is 1954776731879. The next prime is 1954776731987. The reversal of 1954776731912 is 2191376774591.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3302828 + ... + 3849444.

It is an arithmetic number, because the mean of its divisors is an integer number (116987184360).

Almost surely, 2^{1954776731912} is an apocalyptic number.

It is an amenable number.

1954776731912 is a deficient number, since it is larger than the sum of its proper divisors (1788813167608).

1954776731912 is a wasteful number, since it uses less digits than its factorization.

1954776731912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556181 (or 556177 counting only the distinct ones).

The product of its digits is 20003760, while the sum is 62.

The spelling of 1954776731912 in words is "one trillion, nine hundred fifty-four billion, seven hundred seventy-six million, seven hundred thirty-one thousand, nine hundred twelve".