364790972781 has 12 divisors (see below), whose sum is σ = 526986785052. Its totient is φ = 243163293696.

The previous prime is 364790972747. The next prime is 364790972783. The reversal of 364790972781 is 187279097463.

364790972781 is a `hidden beast` number, since 3 + 6 + 479 + 0 + 97 + 2 + 78 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 353003527881 + 11787444900 = 594141^2 + 108570^2 .

It is not a de Polignac number, because 364790972781 - 2¹³ = 364790964589 is a prime.

It is a super-2 number, since 2×364790972781² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364790972783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2481946 + ... + 2624811.

It is an arithmetic number, because the mean of its divisors is an integer number (43915565421).

Almost surely, 2^364790972781 is an apocalyptic number.

It is an amenable number.

364790972781 is a deficient number, since it is larger than the sum of its proper divisors (162195812271).

364790972781 is a wasteful number, since it uses less digits than its factorization.

364790972781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114700 (or 5114697 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 63.

The spelling of 364790972781 in words is "three hundred sixty-four billion, seven hundred ninety million, nine hundred seventy-two thousand, seven hundred eighty-one".