25337763849 has 16 divisors (see below), whose sum is σ = 36125136000. Its totient is φ = 15740793600.

The previous prime is 25337763833. The next prime is 25337763859. The reversal of 25337763849 is 94836773352.

It is not a de Polignac number, because 25337763849 - 2⁴ = 25337763833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25337763809) 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, 2454349 + ... + 2464650.

It is an arithmetic number, because the mean of its divisors is an integer number (2257821000).

Almost surely, 2^25337763849 is an apocalyptic number.

It is an amenable number.

25337763849 is a deficient number, since it is larger than the sum of its proper divisors (10787372151).

25337763849 is a wasteful number, since it uses less digits than its factorization.

25337763849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919120.

The product of its digits is 22861440, while the sum is 57.

The spelling of 25337763849 in words is "twenty-five billion, three hundred thirty-seven million, seven hundred sixty-three thousand, eight hundred forty-nine".