64537448130707 has 8 divisors (see below), whose sum is σ = 67958496418560. Its totient is φ = 61118833892040.

The previous prime is 64537448130703. The next prime is 64537448130719. The reversal of 64537448130707 is 70703184473546.

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

It is not a de Polignac number, because 64537448130707 - 2² = 64537448130703 is a prime.

It is a super-2 number, since 2×64537448130707² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64537448130703) 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, 608457863 + ... + 608563920.

It is an arithmetic number, because the mean of its divisors is an integer number (8494812052320).

Almost surely, 2^{64537448130707} is an apocalyptic number.

64537448130707 is a deficient number, since it is larger than the sum of its proper divisors (3421048287853).

64537448130707 is a wasteful number, since it uses less digits than its factorization.

64537448130707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217024593.

The product of its (nonzero) digits is 47416320, while the sum is 59.

The spelling of 64537448130707 in words is "sixty-four trillion, five hundred thirty-seven billion, four hundred forty-eight million, one hundred thirty thousand, seven hundred seven".