1954045672692 has 12 divisors (see below), whose sum is σ = 4559439902976. Its totient is φ = 651348557560.

The previous prime is 1954045672651. The next prime is 1954045672781. The reversal of 1954045672692 is 2962765404591.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81418569684 + ... + 81418569707.

It is an arithmetic number, because the mean of its divisors is an integer number (379953325248).

Almost surely, 2^{1954045672692} is an apocalyptic number.

1954045672692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1954045672692 is an abundant number, since it is smaller than the sum of its proper divisors (2605394230284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1954045672692 is a wasteful number, since it uses less digits than its factorization.

1954045672692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162837139398 (or 162837139396 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 60.

The spelling of 1954045672692 in words is "one trillion, nine hundred fifty-four billion, forty-five million, six hundred seventy-two thousand, six hundred ninety-two".