64346120537 has 8 divisors (see below), whose sum is σ = 68138347200. Its totient is φ = 60594452784.

The previous prime is 64346120533. The next prime is 64346120557. The reversal of 64346120537 is 73502164346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64346120537 - 2² = 64346120533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64346120494 and 64346120503.

It is not an unprimeable number, because it can be changed into a prime (64346120533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10136462 + ... + 10142807.

It is an arithmetic number, because the mean of its divisors is an integer number (8517293400).

Almost surely, 2^64346120537 is an apocalyptic number.

It is an amenable number.

64346120537 is a deficient number, since it is larger than the sum of its proper divisors (3792226663).

64346120537 is a wasteful number, since it uses less digits than its factorization.

64346120537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20279455.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 64346120537 in words is "sixty-four billion, three hundred forty-six million, one hundred twenty thousand, five hundred thirty-seven".