64654141513 has 32 divisors (see below), whose sum is σ = 74071065600. Its totient is φ = 55978038336.

The previous prime is 64654141511. The next prime is 64654141523. The reversal of 64654141513 is 31514145646.

It is a cyclic number.

It is not a de Polignac number, because 64654141513 - 2¹ = 64654141511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64654141511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7387206 + ... + 7395952.

It is an arithmetic number, because the mean of its divisors is an integer number (2314720800).

Almost surely, 2^64654141513 is an apocalyptic number.

It is an amenable number.

64654141513 is a deficient number, since it is larger than the sum of its proper divisors (9416924087).

64654141513 is a wasteful number, since it uses less digits than its factorization.

64654141513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9261.

The product of its digits is 172800, while the sum is 40.

The spelling of 64654141513 in words is "sixty-four billion, six hundred fifty-four million, one hundred forty-one thousand, five hundred thirteen".