64151554553 has 4 divisors (see below), whose sum is σ = 64160192628. Its totient is φ = 64142916480.

The previous prime is 64151554547. The next prime is 64151554561. The reversal of 64151554553 is 35545515146.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35545515146 = 2 ⋅17772757573.

It can be written as a sum of positive squares in 2 ways, for example, as 11604244729 + 52547309824 = 107723^2 + 229232^2 .

It is a cyclic number.

It is not a de Polignac number, because 64151554553 - 2¹² = 64151550457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64151550553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4307888 + ... + 4322753.

It is an arithmetic number, because the mean of its divisors is an integer number (16040048157).

Almost surely, 2^64151554553 is an apocalyptic number.

It is an amenable number.

64151554553 is a deficient number, since it is larger than the sum of its proper divisors (8638075).

64151554553 is an equidigital number, since it uses as much as digits as its factorization.

64151554553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8638074.

The product of its digits is 900000, while the sum is 44.

The spelling of 64151554553 in words is "sixty-four billion, one hundred fifty-one million, five hundred fifty-four thousand, five hundred fifty-three".