6521022364 has 12 divisors (see below), whose sum is σ = 11582114824. Its totient is φ = 3211846704.

The previous prime is 6521022359. The next prime is 6521022371. The reversal of 6521022364 is 4632201256.

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, 12165819 + ... + 12166354.

Almost surely, 2^6521022364 is an apocalyptic number.

It is an amenable number.

6521022364 is a deficient number, since it is larger than the sum of its proper divisors (5061092460).

6521022364 is a wasteful number, since it uses less digits than its factorization.

6521022364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24332244 (or 24332242 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 6521022364 is about 80752.8474049058. The cubic root of 6521022364 is about 1868.2653673260.

It can be divided in two parts, 652 and 1022364, that multiplied together give a triangular number (666581328 = T₃₆₅₁₂).

The spelling of 6521022364 in words is "six billion, five hundred twenty-one million, twenty-two thousand, three hundred sixty-four".