64670272625199 has 32 divisors (see below), whose sum is σ = 92912646942720. Its totient is φ = 39878821529568.

The previous prime is 64670272625183. The next prime is 64670272625327. The reversal of 64670272625199 is 99152627207646.

It is not a de Polignac number, because 64670272625199 - 2⁴ = 64670272625183 is a prime.

It is a super-2 number, since 2×64670272625199² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64670272625149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1045072 + ... + 11420714.

It is an arithmetic number, because the mean of its divisors is an integer number (2903520216960).

Almost surely, 2^{64670272625199} is an apocalyptic number.

64670272625199 is a deficient number, since it is larger than the sum of its proper divisors (28242374317521).

64670272625199 is a wasteful number, since it uses less digits than its factorization.

64670272625199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10378251.

The product of its (nonzero) digits is 137168640, while the sum is 66.

The spelling of 64670272625199 in words is "sixty-four trillion, six hundred seventy billion, two hundred seventy-two million, six hundred twenty-five thousand, one hundred ninety-nine".