36431613461 has 2 divisors, whose sum is σ = 36431613462. Its totient is φ = 36431613460.

The previous prime is 36431613443. The next prime is 36431613523. The reversal of 36431613461 is 16431613463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35898880900 + 532732561 = 189470^2 + 23081^2 .

It is a cyclic number.

It is not a de Polignac number, because 36431613461 - 2⁶ = 36431613397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36431613161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18215806730 + 18215806731.

It is an arithmetic number, because the mean of its divisors is an integer number (18215806731).

Almost surely, 2^36431613461 is an apocalyptic number.

It is an amenable number.

36431613461 is a deficient number, since it is larger than the sum of its proper divisors (1).

36431613461 is an equidigital number, since it uses as much as digits as its factorization.

36431613461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The spelling of 36431613461 in words is "thirty-six billion, four hundred thirty-one million, six hundred thirteen thousand, four hundred sixty-one".