64102948251 has 8 divisors (see below), whose sum is σ = 85774764624. Its totient is φ = 42583215360.

The previous prime is 64102948219. The next prime is 64102948253. The reversal of 64102948251 is 15284920146.

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

It is not a de Polignac number, because 64102948251 - 2⁵ = 64102948219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64102948253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38019886 + ... + 38021571.

It is an arithmetic number, because the mean of its divisors is an integer number (10721845578).

Almost surely, 2^64102948251 is an apocalyptic number.

64102948251 is a deficient number, since it is larger than the sum of its proper divisors (21671816373).

64102948251 is a wasteful number, since it uses less digits than its factorization.

64102948251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76041741.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 64102948251 in words is "sixty-four billion, one hundred two million, nine hundred forty-eight thousand, two hundred fifty-one".