14858391025 has 9 divisors (see below), whose sum is σ = 18425160651. Its totient is φ = 11886225240.

The previous prime is 14858390959. The next prime is 14858391029. The reversal of 14858391025 is 52019385841.

The square root of 14858391025 is 121895.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5349020769 + 9509370256 = 73137^2 + 97516^2 .

It is not a de Polignac number, because 14858391025 - 2³³ = 6268456433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14858391029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 597286 + ... + 621664.

Almost surely, 2^14858391025 is an apocalyptic number.

14858391025 is the 121895-th square number.

14858391025 is the 60948-th centered octagonal number.

It is an amenable number.

14858391025 is a deficient number, since it is larger than the sum of its proper divisors (3566769626).

14858391025 is an frugal number, since it uses more digits than its factorization.

14858391025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48768 (or 24384 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 14858391025 in words is "fourteen billion, eight hundred fifty-eight million, three hundred ninety-one thousand, twenty-five".