64202054761 has 16 divisors (see below), whose sum is σ = 70303500288. Its totient is φ = 58267540800.

The previous prime is 64202054737. The next prime is 64202054771. The reversal of 64202054761 is 16745020246.

It is a cyclic number.

It is not a de Polignac number, because 64202054761 - 2⁵ = 64202054729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64202054761.

It is not an unprimeable number, because it can be changed into a prime (64202054711) 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, 2039040 + ... + 2070286.

It is an arithmetic number, because the mean of its divisors is an integer number (4393968768).

Almost surely, 2^64202054761 is an apocalyptic number.

64202054761 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

64202054761 is a deficient number, since it is larger than the sum of its proper divisors (6101445527).

64202054761 is a wasteful number, since it uses less digits than its factorization.

64202054761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33912.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 64202054761 in words is "sixty-four billion, two hundred two million, fifty-four thousand, seven hundred sixty-one".