64002556035254 has 4 divisors (see below), whose sum is σ = 96003834052884. Its totient is φ = 32001278017626.

The previous prime is 64002556035251. The next prime is 64002556035281. The reversal of 64002556035254 is 45253065520046.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 64002556035199 and 64002556035208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64002556035251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16000639008812 + ... + 16000639008815.

It is an arithmetic number, because the mean of its divisors is an integer number (24000958513221).

Almost surely, 2^{64002556035254} is an apocalyptic number.

64002556035254 is a deficient number, since it is larger than the sum of its proper divisors (32001278017630).

64002556035254 is a wasteful number, since it uses less digits than its factorization.

64002556035254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32001278017629.

The product of its (nonzero) digits is 4320000, while the sum is 47.

The spelling of 64002556035254 in words is "sixty-four trillion, two billion, five hundred fifty-six million, thirty-five thousand, two hundred fifty-four".