2621690674 has 8 divisors (see below), whose sum is σ = 3969289008. Its totient is φ = 1298594340.

The previous prime is 2621690657. The next prime is 2621690689. The reversal of 2621690674 is 4760961262.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2621690674.

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, 6125232 + ... + 6125659.

It is an arithmetic number, because the mean of its divisors is an integer number (496161126).

Almost surely, 2^2621690674 is an apocalyptic number.

2621690674 is a deficient number, since it is larger than the sum of its proper divisors (1347598334).

2621690674 is a wasteful number, since it uses less digits than its factorization.

2621690674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12251000.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 2621690674 is about 51202.4479297621. The cubic root of 2621690674 is about 1378.8821504769.

The spelling of 2621690674 in words is "two billion, six hundred twenty-one million, six hundred ninety thousand, six hundred seventy-four".