64898538344 has 16 divisors (see below), whose sum is σ = 121793133120. Its totient is φ = 32420369520.

The previous prime is 64898538323. The next prime is 64898538361. The reversal of 64898538344 is 44383589846.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3602912 + ... + 3620879.

It is an arithmetic number, because the mean of its divisors is an integer number (7612070820).

Almost surely, 2^64898538344 is an apocalyptic number.

It is an amenable number.

64898538344 is a deficient number, since it is larger than the sum of its proper divisors (56894594776).

64898538344 is a wasteful number, since it uses less digits than its factorization.

64898538344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7224920 (or 7224916 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 62.

The spelling of 64898538344 in words is "sixty-four billion, eight hundred ninety-eight million, five hundred thirty-eight thousand, three hundred forty-four".