36775754021 has 16 divisors (see below), whose sum is σ = 39795321600. Its totient is φ = 33880522368.

The previous prime is 36775753951. The next prime is 36775754023. The reversal of 36775754021 is 12045757763.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 36775754021 - 2²⁶ = 36708645157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36775754023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205400 + ... + 340206.

It is an arithmetic number, because the mean of its divisors is an integer number (2487207600).

Almost surely, 2^36775754021 is an apocalyptic number.

It is an amenable number.

36775754021 is a deficient number, since it is larger than the sum of its proper divisors (3019567579).

36775754021 is a wasteful number, since it uses less digits than its factorization.

36775754021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135268.

The product of its (nonzero) digits is 1234800, while the sum is 47.

The spelling of 36775754021 in words is "thirty-six billion, seven hundred seventy-five million, seven hundred fifty-four thousand, twenty-one".