1649572052 has 12 divisors (see below), whose sum is σ = 3012262176. Its totient is φ = 788925720.

The previous prime is 1649572049. The next prime is 1649572081. The reversal of 1649572052 is 2502759461.

It is a congruent number.

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, 8964974 + ... + 8965157.

It is an arithmetic number, because the mean of its divisors is an integer number (251021848).

Almost surely, 2^1649572052 is an apocalyptic number.

It is an amenable number.

1649572052 is a deficient number, since it is larger than the sum of its proper divisors (1362690124).

1649572052 is a wasteful number, since it uses less digits than its factorization.

1649572052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17930158 (or 17930156 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 1649572052 is about 40614.9240058381. The cubic root of 1649572052 is about 1181.5635817362.

The spelling of 1649572052 in words is "one billion, six hundred forty-nine million, five hundred seventy-two thousand, fifty-two".