64214600836 has 9 divisors (see below), whose sum is σ = 112376438391. Its totient is φ = 32107047012.

The previous prime is 64214600831. The next prime is 64214600839. The reversal of 64214600836 is 63800641246.

The square root of 64214600836 is 253406.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64214600831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 443461 + ... + 570163.

Almost surely, 2^64214600836 is an apocalyptic number.

64214600836 is the 253406-th square number.

It is an amenable number.

64214600836 is a deficient number, since it is larger than the sum of its proper divisors (48161837555).

64214600836 is an frugal number, since it uses more digits than its factorization.

64214600836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253410 (or 126705 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 64214600836 in words is "sixty-four billion, two hundred fourteen million, six hundred thousand, eight hundred thirty-six".