64103243975 has 12 divisors (see below), whose sum is σ = 79491162240. Its totient is φ = 51280569600.

The previous prime is 64103243951. The next prime is 64103243977. The reversal of 64103243975 is 57934230146.

It is not a de Polignac number, because 64103243975 - 2²² = 64099049671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64103243977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1227191 + ... + 1278359.

It is an arithmetic number, because the mean of its divisors is an integer number (6624263520).

Almost surely, 2^64103243975 is an apocalyptic number.

64103243975 is a deficient number, since it is larger than the sum of its proper divisors (15387918265).

64103243975 is a wasteful number, since it uses less digits than its factorization.

64103243975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101290 (or 101285 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 64103243975 in words is "sixty-four billion, one hundred three million, two hundred forty-three thousand, nine hundred seventy-five".