64275425679 has 16 divisors (see below), whose sum is σ = 92649265280. Its totient is φ = 39497842080.

The previous prime is 64275425671. The next prime is 64275425713. The reversal of 64275425679 is 97652457246.

It is not a de Polignac number, because 64275425679 - 2³ = 64275425671 is a prime.

It is a super-2 number, since 2×64275425679² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64275425671) 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, 15236257 + ... + 15240474.

It is an arithmetic number, because the mean of its divisors is an integer number (5790579080).

Almost surely, 2^64275425679 is an apocalyptic number.

64275425679 is a deficient number, since it is larger than the sum of its proper divisors (28373839601).

64275425679 is a wasteful number, since it uses less digits than its factorization.

64275425679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30476790.

The product of its digits is 25401600, while the sum is 57.

The spelling of 64275425679 in words is "sixty-four billion, two hundred seventy-five million, four hundred twenty-five thousand, six hundred seventy-nine".