2947596642 has 20 divisors (see below), whose sum is σ = 6604800246. Its totient is φ = 982532160.

The previous prime is 2947596563. The next prime is 2947596709. The reversal of 2947596642 is 2466957492.

2947596642 is a `hidden beast` number, since 2 + 9 + 4 + 7 + 596 + 6 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2936447721 + 11148921 = 54189^2 + 3339^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9097359 + ... + 9097682.

Almost surely, 2^2947596642 is an apocalyptic number.

2947596642 is an abundant number, since it is smaller than the sum of its proper divisors (3657203604).

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

2947596642 is a wasteful number, since it uses less digits than its factorization.

2947596642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18195055 (or 18195046 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 2947596642 is about 54291.7732442034. The cubic root of 2947596642 is about 1433.8025585554.

It can be divided in two parts, 294759 and 6642, that added together give a square (301401 = 549²).

The spelling of 2947596642 in words is "two billion, nine hundred forty-seven million, five hundred ninety-six thousand, six hundred forty-two".