64958465332 has 24 divisors (see below), whose sum is σ = 120374549064. Its totient is φ = 30566065152.

The previous prime is 64958465321. The next prime is 64958465347. The reversal of 64958465332 is 23356485946.

It can be written as a sum of positive squares in 4 ways, for example, as 236052496 + 64722412836 = 15364^2 + 254406^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921898 + ... + 989854.

It is an arithmetic number, because the mean of its divisors is an integer number (5015606211).

Almost surely, 2^64958465332 is an apocalyptic number.

It is an amenable number.

64958465332 is a deficient number, since it is larger than the sum of its proper divisors (55416083732).

64958465332 is a wasteful number, since it uses less digits than its factorization.

64958465332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82035 (or 82033 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 55.

The spelling of 64958465332 in words is "sixty-four billion, nine hundred fifty-eight million, four hundred sixty-five thousand, three hundred thirty-two".