2645656627375 has 32 divisors (see below), whose sum is σ = 3435378298560. Its totient is φ = 2031728809600.

The previous prime is 2645656627297. The next prime is 2645656627403. The reversal of 2645656627375 is 5737266565462.

It is not a de Polignac number, because 2645656627375 - 2⁴¹ = 446633371823 is a prime.

It is a super-4 number, since 4×2645656627375⁴ (a number of 51 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1482229 + ... + 2736478.

It is an arithmetic number, because the mean of its divisors is an integer number (107355571830).

Almost surely, 2^{2645656627375} is an apocalyptic number.

2645656627375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2645656627375 is a deficient number, since it is larger than the sum of its proper divisors (789721671185).

2645656627375 is a wasteful number, since it uses less digits than its factorization.

2645656627375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218924 (or 4218914 counting only the distinct ones).

The product of its digits is 381024000, while the sum is 64.

The spelling of 2645656627375 in words is "two trillion, six hundred forty-five billion, six hundred fifty-six million, six hundred twenty-seven thousand, three hundred seventy-five".