36347267521 has 2 divisors, whose sum is σ = 36347267522. Its totient is φ = 36347267520.

The previous prime is 36347267491. The next prime is 36347267549. The reversal of 36347267521 is 12576274363.

36347267521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20977466896 + 15369800625 = 144836^2 + 123975^2 .

It is a cyclic number.

It is not a de Polignac number, because 36347267521 - 2⁷ = 36347267393 is a prime.

It is a super-2 number, since 2×36347267521² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36347267321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18173633760 + 18173633761.

It is an arithmetic number, because the mean of its divisors is an integer number (18173633761).

Almost surely, 2^36347267521 is an apocalyptic number.

It is an amenable number.

36347267521 is a deficient number, since it is larger than the sum of its proper divisors (1).

36347267521 is an equidigital number, since it uses as much as digits as its factorization.

36347267521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 46.

The spelling of 36347267521 in words is "thirty-six billion, three hundred forty-seven million, two hundred sixty-seven thousand, five hundred twenty-one".