64903410399 has 16 divisors (see below), whose sum is σ = 88884191232. Its totient is φ = 42095981088.

The previous prime is 64903410389. The next prime is 64903410413. The reversal of 64903410399 is 99301430946.

It is not a de Polignac number, because 64903410399 - 2²¹ = 64901313247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64903410389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2266042 + ... + 2294504.

It is an arithmetic number, because the mean of its divisors is an integer number (5555261952).

Almost surely, 2^64903410399 is an apocalyptic number.

64903410399 is a deficient number, since it is larger than the sum of its proper divisors (23980780833).

64903410399 is a wasteful number, since it uses less digits than its factorization.

64903410399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49046.

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 64903410399 in words is "sixty-four billion, nine hundred three million, four hundred ten thousand, three hundred ninety-nine".