14191731625 has 8 divisors (see below), whose sum is σ = 17711281224. Its totient is φ = 11353385200.

The previous prime is 14191731611. The next prime is 14191731637. The reversal of 14191731625 is 52613719141.

It can be written as a sum of positive squares in 4 ways, for example, as 2005337961 + 12186393664 = 44781^2 + 110392^2 .

It is not a de Polignac number, because 14191731625 - 2¹³ = 14191723433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56766802 + ... + 56767051.

It is an arithmetic number, because the mean of its divisors is an integer number (2213910153).

Almost surely, 2^14191731625 is an apocalyptic number.

It is an amenable number.

14191731625 is a deficient number, since it is larger than the sum of its proper divisors (3519549599).

14191731625 is an equidigital number, since it uses as much as digits as its factorization.

14191731625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113533868 (or 113533858 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The spelling of 14191731625 in words is "fourteen billion, one hundred ninety-one million, seven hundred thirty-one thousand, six hundred twenty-five".