2064654890973 has 24 divisors (see below), whose sum is σ = 3010702111872. Its totient is φ = 1363334813568.

The previous prime is 2064654890953. The next prime is 2064654891007. The reversal of 2064654890973 is 3790984564602.

2064654890973 is a `hidden beast` number, since 2 + 0 + 6 + 4 + 65 + 489 + 0 + 97 + 3 = 666.

It is not a de Polignac number, because 2064654890973 - 2²⁶ = 2064587782109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2064654890973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064654890953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 823740 + ... + 2192682.

It is an arithmetic number, because the mean of its divisors is an integer number (125445921328).

Almost surely, 2^{2064654890973} is an apocalyptic number.

It is an amenable number.

2064654890973 is a deficient number, since it is larger than the sum of its proper divisors (946047220899).

2064654890973 is a wasteful number, since it uses less digits than its factorization.

2064654890973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370545 (or 1370542 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 2064654890973 in words is "two trillion, sixty-four billion, six hundred fifty-four million, eight hundred ninety thousand, nine hundred seventy-three".