2525666621374 has 16 divisors (see below), whose sum is σ = 4080480601680. Its totient is φ = 1165532973120.

The previous prime is 2525666621371. The next prime is 2525666621381. The reversal of 2525666621374 is 4731266665252.

It is a super-3 number, since 3×2525666621374³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525666621371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6444064 + ... + 6824755.

It is an arithmetic number, because the mean of its divisors is an integer number (255030037605).

Almost surely, 2^{2525666621374} is an apocalyptic number.

2525666621374 is a deficient number, since it is larger than the sum of its proper divisors (1554813980306).

2525666621374 is a wasteful number, since it uses less digits than its factorization.

2525666621374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13276155.

The product of its digits is 21772800, while the sum is 55.

The spelling of 2525666621374 in words is "two trillion, five hundred twenty-five billion, six hundred sixty-six million, six hundred twenty-one thousand, three hundred seventy-four".