13957764481 has 8 divisors (see below), whose sum is σ = 14177812320. Its totient is φ = 13738061568.

The previous prime is 13957764427. The next prime is 13957764487. The reversal of 13957764481 is 18446775931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13957764481 - 2¹⁵ = 13957731713 is a prime.

It is a super-2 number, since 2×13957764481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13957764487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4051 + ... + 167128.

It is an arithmetic number, because the mean of its divisors is an integer number (1772226540).

Almost surely, 2^13957764481 is an apocalyptic number.

It is an amenable number.

13957764481 is a deficient number, since it is larger than the sum of its proper divisors (220047839).

13957764481 is a wasteful number, since it uses less digits than its factorization.

13957764481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172463.

The product of its digits is 5080320, while the sum is 55.

The spelling of 13957764481 in words is "thirteen billion, nine hundred fifty-seven million, seven hundred sixty-four thousand, four hundred eighty-one".