64214884139 has 4 divisors (see below), whose sum is σ = 73388439024. Its totient is φ = 55041329256.

The previous prime is 64214884127. The next prime is 64214884171. The reversal of 64214884139 is 93148841246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64214884139 - 2⁸ = 64214883883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64214884199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4586777432 + ... + 4586777445.

It is an arithmetic number, because the mean of its divisors is an integer number (18347109756).

Almost surely, 2^64214884139 is an apocalyptic number.

64214884139 is a deficient number, since it is larger than the sum of its proper divisors (9173554885).

64214884139 is an equidigital number, since it uses as much as digits as its factorization.

64214884139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9173554884.

The product of its digits is 1327104, while the sum is 50.

The spelling of 64214884139 in words is "sixty-four billion, two hundred fourteen million, eight hundred eighty-four thousand, one hundred thirty-nine".