64020062425 has 144 divisors (see below), whose sum is σ = 97463761920. Its totient is φ = 41458278400.

The previous prime is 64020062413. The next prime is 64020062467. The reversal of 64020062425 is 52426002046.

It is not a de Polignac number, because 64020062425 - 2²⁷ = 63885844697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 133653336 + ... + 133653814.

It is an arithmetic number, because the mean of its divisors is an integer number (676831680).

Almost surely, 2^64020062425 is an apocalyptic number.

It is an amenable number.

64020062425 is a deficient number, since it is larger than the sum of its proper divisors (33443699495).

64020062425 is a wasteful number, since it uses less digits than its factorization.

64020062425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 64020062425 in words is "sixty-four billion, twenty million, sixty-two thousand, four hundred twenty-five".