64942612419 has 16 divisors (see below), whose sum is σ = 86939218080. Its totient is φ = 43120642560.

The previous prime is 64942612403. The next prime is 64942612439. The reversal of 64942612419 is 91421624946.

It is not a de Polignac number, because 64942612419 - 2⁴ = 64942612403 is a prime.

It is a super-2 number, since 2×64942612419² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64942612439) 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, 3024429 + ... + 3045825.

It is an arithmetic number, because the mean of its divisors is an integer number (5433701130).

Almost surely, 2^64942612419 is an apocalyptic number.

64942612419 is a deficient number, since it is larger than the sum of its proper divisors (21996605661).

64942612419 is a wasteful number, since it uses less digits than its factorization.

64942612419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25430.

The product of its digits is 746496, while the sum is 48.

The spelling of 64942612419 in words is "sixty-four billion, nine hundred forty-two million, six hundred twelve thousand, four hundred nineteen".