36356631457 has 16 divisors (see below), whose sum is σ = 37623105360. Its totient is φ = 35105660928.

The previous prime is 36356631433. The next prime is 36356631473. The reversal of 36356631457 is 75413665363.

It can be written as a sum of positive squares in 8 ways, for example, as 1389127441 + 34967504016 = 37271^2 + 186996^2 .

It is a cyclic number.

It is not a de Polignac number, because 36356631457 - 2¹⁵ = 36356598689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36356631457.

It is not an unprimeable number, because it can be changed into a prime (36356631557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5393193 + ... + 5399929.

It is an arithmetic number, because the mean of its divisors is an integer number (2351444085).

Almost surely, 2^36356631457 is an apocalyptic number.

36356631457 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

36356631457 is a deficient number, since it is larger than the sum of its proper divisors (1266473903).

36356631457 is a wasteful number, since it uses less digits than its factorization.

36356631457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860.

The product of its digits is 4082400, while the sum is 49.

The spelling of 36356631457 in words is "thirty-six billion, three hundred fifty-six million, six hundred thirty-one thousand, four hundred fifty-seven".