536649321719 has 4 divisors (see below), whose sum is σ = 613313510544. Its totient is φ = 459985132896.

The previous prime is 536649321713. The next prime is 536649321749. The reversal of 536649321719 is 917123946635.

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

It is a cyclic number.

It is not a de Polignac number, because 536649321719 - 2⁸ = 536649321463 is a prime.

It is a super-2 number, since 2×536649321719² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536649321713) 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, 38332094402 + ... + 38332094415.

It is an arithmetic number, because the mean of its divisors is an integer number (153328377636).

Almost surely, 2^536649321719 is an apocalyptic number.

536649321719 is a deficient number, since it is larger than the sum of its proper divisors (76664188825).

536649321719 is an equidigital number, since it uses as much as digits as its factorization.

536649321719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76664188824.

The product of its digits is 7348320, while the sum is 56.

The spelling of 536649321719 in words is "five hundred thirty-six billion, six hundred forty-nine million, three hundred twenty-one thousand, seven hundred nineteen".