14706261557 has 4 divisors (see below), whose sum is σ = 15837512460. Its totient is φ = 13575010656.

The previous prime is 14706261551. The next prime is 14706261613. The reversal of 14706261557 is 75516260741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6132612721 + 8573648836 = 78311^2 + 92594^2 .

It is a cyclic number.

It is not a de Polignac number, because 14706261557 - 2⁴ = 14706261541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14706261551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565625432 + ... + 565625457.

It is an arithmetic number, because the mean of its divisors is an integer number (3959378115).

Almost surely, 2^14706261557 is an apocalyptic number.

It is an amenable number.

14706261557 is a deficient number, since it is larger than the sum of its proper divisors (1131250903).

14706261557 is a wasteful number, since it uses less digits than its factorization.

14706261557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131250902.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 14706261557 in words is "fourteen billion, seven hundred six million, two hundred sixty-one thousand, five hundred fifty-seven".