36561149407 has 2 divisors, whose sum is σ = 36561149408. Its totient is φ = 36561149406.

The previous prime is 36561149363. The next prime is 36561149411. The reversal of 36561149407 is 70494116563.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36561149407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36561149447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18280574703 + 18280574704.

It is an arithmetic number, because the mean of its divisors is an integer number (18280574704).

Almost surely, 2^36561149407 is an apocalyptic number.

36561149407 is a deficient number, since it is larger than the sum of its proper divisors (1).

36561149407 is an equidigital number, since it uses as much as digits as its factorization.

36561149407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 36561149407 in words is "thirty-six billion, five hundred sixty-one million, one hundred forty-nine thousand, four hundred seven".