64964371 has 2 divisors, whose sum is σ = 64964372. Its totient is φ = 64964370.

The previous prime is 64964359. The next prime is 64964381. The reversal of 64964371 is 17346946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64964371 - 2²³ = 56575763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64964381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32482185 + 32482186.

It is an arithmetic number, because the mean of its divisors is an integer number (32482186).

Almost surely, 2^64964371 is an apocalyptic number.

64964371 is a deficient number, since it is larger than the sum of its proper divisors (1).

64964371 is an equidigital number, since it uses as much as digits as its factorization.

64964371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 64964371 is about 8060.0478286422. The cubic root of 64964371 is about 401.9990986177. Note that the first 3 decimals are identical.

The spelling of 64964371 in words is "sixty-four million, nine hundred sixty-four thousand, three hundred seventy-one".