536756551321 has 4 divisors (see below), whose sum is σ = 537010579252. Its totient is φ = 536502523392.

The previous prime is 536756551301. The next prime is 536756551339. The reversal of 536756551321 is 123155657635.

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

It can be written as a sum of positive squares in 2 ways, for example, as 99754905600 + 437001645721 = 315840^2 + 661061^2 .

It is a cyclic number.

It is not a de Polignac number, because 536756551321 - 2²¹ = 536754454169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536756551301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127010796 + ... + 127015021.

It is an arithmetic number, because the mean of its divisors is an integer number (134252644813).

Almost surely, 2^536756551321 is an apocalyptic number.

It is an amenable number.

536756551321 is a deficient number, since it is larger than the sum of its proper divisors (254027931).

536756551321 is a wasteful number, since it uses less digits than its factorization.

536756551321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254027930.

The product of its digits is 2835000, while the sum is 49.

The spelling of 536756551321 in words is "five hundred thirty-six billion, seven hundred fifty-six million, five hundred fifty-one thousand, three hundred twenty-one".