64938363 has 16 divisors (see below), whose sum is σ = 99168000. Its totient is φ = 37027296.

The previous prime is 64938353. The next prime is 64938389. The reversal of 64938363 is 36383946.

It is not a de Polignac number, because 64938363 - 2⁴ = 64938347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64938323) 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, 7381 + ... + 13577.

It is an arithmetic number, because the mean of its divisors is an integer number (6198000).

Almost surely, 2^64938363 is an apocalyptic number.

64938363 is a deficient number, since it is larger than the sum of its proper divisors (34229637).

64938363 is a wasteful number, since it uses less digits than its factorization.

64938363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706.

The product of its digits is 279936, while the sum is 42.

The square root of 64938363 is about 8058.4342772030. The cubic root of 64938363 is about 401.9454456798.

The spelling of 64938363 in words is "sixty-four million, nine hundred thirty-eight thousand, three hundred sixty-three".