2947213630 has 16 divisors (see below), whose sum is σ = 5306004864. Its totient is φ = 1178658720.

The previous prime is 2947213609. The next prime is 2947213657. The reversal of 2947213630 is 363127492.

It is a self number, because there is not a number n which added to its sum of digits gives 2947213630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32464 + ... + 83356.

It is an arithmetic number, because the mean of its divisors is an integer number (331625304).

Almost surely, 2^2947213630 is an apocalyptic number.

2947213630 is a deficient number, since it is larger than the sum of its proper divisors (2358791234).

2947213630 is a wasteful number, since it uses less digits than its factorization.

2947213630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56691.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 2947213630 is about 54288.2457812002. The cubic root of 2947213630 is about 1433.7404528876.

The spelling of 2947213630 in words is "two billion, nine hundred forty-seven million, two hundred thirteen thousand, six hundred thirty".