25345368445 has 16 divisors (see below), whose sum is σ = 30709419840. Its totient is φ = 20080278400.

The previous prime is 25345368437. The next prime is 25345368463. The reversal of 25345368445 is 54486354352.

It is not a de Polignac number, because 25345368445 - 2³ = 25345368437 is a prime.

It is a super-2 number, since 2×25345368445² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282201 + ... + 361009.

It is an arithmetic number, because the mean of its divisors is an integer number (1919338740).

Almost surely, 2^25345368445 is an apocalyptic number.

It is an amenable number.

25345368445 is a deficient number, since it is larger than the sum of its proper divisors (5364051395).

25345368445 is a wasteful number, since it uses less digits than its factorization.

25345368445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79436.

The product of its digits is 6912000, while the sum is 49.

The spelling of 25345368445 in words is "twenty-five billion, three hundred forty-five million, three hundred sixty-eight thousand, four hundred forty-five".