2565972629390 has 16 divisors (see below), whose sum is σ = 4630043529360. Its totient is φ = 1023879541440.

The previous prime is 2565972629383. The next prime is 2565972629393. The reversal of 2565972629390 is 939262795652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565972629393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313684496 + ... + 313692675.

It is an arithmetic number, because the mean of its divisors is an integer number (289377720585).

Almost surely, 2^{2565972629390} is an apocalyptic number.

2565972629390 is a deficient number, since it is larger than the sum of its proper divisors (2064070899970).

2565972629390 is a wasteful number, since it uses less digits than its factorization.

2565972629390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627377587.

The product of its (nonzero) digits is 110224800, while the sum is 65.

It can be divided in two parts, 256597262 and 9390, that added together give a palindrome (256606652).

The spelling of 2565972629390 in words is "two trillion, five hundred sixty-five billion, nine hundred seventy-two million, six hundred twenty-nine thousand, three hundred ninety".