2628994574 has 4 divisors (see below), whose sum is σ = 3943491864. Its totient is φ = 1314497286.

The previous prime is 2628994547. The next prime is 2628994583. The reversal of 2628994574 is 4754998262.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2628994574² = 13823224940242882952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657248642 + ... + 657248645.

It is an arithmetic number, because the mean of its divisors is an integer number (985872966).

Almost surely, 2^2628994574 is an apocalyptic number.

2628994574 is a deficient number, since it is larger than the sum of its proper divisors (1314497290).

2628994574 is a wasteful number, since it uses less digits than its factorization.

2628994574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314497289.

The product of its digits is 8709120, while the sum is 56.

The square root of 2628994574 is about 51273.7220611104. The cubic root of 2628994574 is about 1380.1614622393.

The spelling of 2628994574 in words is "two billion, six hundred twenty-eight million, nine hundred ninety-four thousand, five hundred seventy-four".