14901991573 has 12 divisors (see below), whose sum is σ = 17803484652. Its totient is φ = 12427914240.

The previous prime is 14901991553. The next prime is 14901991589. The reversal of 14901991573 is 37519910941.

14901991573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8701531524 + 6200460049 = 93282^2 + 78743^2 .

It is not a de Polignac number, because 14901991573 - 2⁵ = 14901991541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14901991513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4107948 + ... + 4111573.

It is an arithmetic number, because the mean of its divisors is an integer number (1483623721).

Almost surely, 2^14901991573 is an apocalyptic number.

It is an amenable number.

14901991573 is a deficient number, since it is larger than the sum of its proper divisors (2901493079).

14901991573 is an equidigital number, since it uses as much as digits as its factorization.

14901991573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219572 (or 8219565 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 49.

The spelling of 14901991573 in words is "fourteen billion, nine hundred one million, nine hundred ninety-one thousand, five hundred seventy-three".