36901601521 has 2 divisors, whose sum is σ = 36901601522. Its totient is φ = 36901601520.

The previous prime is 36901601453. The next prime is 36901601587. The reversal of 36901601521 is 12510610963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27435284496 + 9466317025 = 165636^2 + 97295^2 .

It is a cyclic number.

It is not a de Polignac number, because 36901601521 - 2²³ = 36893212913 is a prime.

It is not a weakly prime, because it can be changed into another prime (36901601221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18450800760 + 18450800761.

It is an arithmetic number, because the mean of its divisors is an integer number (18450800761).

Almost surely, 2^36901601521 is an apocalyptic number.

It is an amenable number.

36901601521 is a deficient number, since it is larger than the sum of its proper divisors (1).

36901601521 is an equidigital number, since it uses as much as digits as its factorization.

36901601521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 36901601521 in words is "thirty-six billion, nine hundred one million, six hundred one thousand, five hundred twenty-one".