36290694521 has 2 divisors, whose sum is σ = 36290694522. Its totient is φ = 36290694520.

The previous prime is 36290694493. The next prime is 36290694523. The reversal of 36290694521 is 12549609263.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27461461225 + 8829233296 = 165715^2 + 93964^2 .

It is a cyclic number.

It is not a de Polignac number, because 36290694521 - 2³⁰ = 35216952697 is a prime.

Together with 36290694523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36290694523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18145347260 + 18145347261.

It is an arithmetic number, because the mean of its divisors is an integer number (18145347261).

Almost surely, 2^36290694521 is an apocalyptic number.

It is an amenable number.

36290694521 is a deficient number, since it is larger than the sum of its proper divisors (1).

36290694521 is an equidigital number, since it uses as much as digits as its factorization.

36290694521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 36290694521 in words is "thirty-six billion, two hundred ninety million, six hundred ninety-four thousand, five hundred twenty-one".