64342275019 has 24 divisors (see below), whose sum is σ = 74913660864. Its totient is φ = 55030060800.

The previous prime is 64342274993. The next prime is 64342275043. The reversal of 64342275019 is 91057224346.

It is not a de Polignac number, because 64342275019 - 2⁵ = 64342274987 is a prime.

It is a super-2 number, since 2×64342275019² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64352275019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7003609 + ... + 7012789.

It is an arithmetic number, because the mean of its divisors is an integer number (3121402536).

Almost surely, 2^64342275019 is an apocalyptic number.

64342275019 is a deficient number, since it is larger than the sum of its proper divisors (10571385845).

64342275019 is a wasteful number, since it uses less digits than its factorization.

64342275019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12627 (or 12616 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 64342275019 in words is "sixty-four billion, three hundred forty-two million, two hundred seventy-five thousand, nineteen".