536751621609 has 32 divisors (see below), whose sum is σ = 845189529600. Its totient is φ = 296505403200.

The previous prime is 536751621559. The next prime is 536751621619. The reversal of 536751621609 is 906126157635.

It is a de Polignac number, because none of the positive numbers 2^k-536751621609 is a prime.

It is a super-2 number, since 2×536751621609² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (536751621619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174492 + ... + 1050690.

It is an arithmetic number, because the mean of its divisors is an integer number (26412172800).

Almost surely, 2^536751621609 is an apocalyptic number.

It is an amenable number.

536751621609 is a deficient number, since it is larger than the sum of its proper divisors (308437907991).

536751621609 is a wasteful number, since it uses less digits than its factorization.

536751621609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877181.

The product of its (nonzero) digits is 2041200, while the sum is 51.

The spelling of 536751621609 in words is "five hundred thirty-six billion, seven hundred fifty-one million, six hundred twenty-one thousand, six hundred nine".