13757371421 has 4 divisors (see below), whose sum is σ = 13763485344. Its totient is φ = 13751257500.

The previous prime is 13757371403. The next prime is 13757371469. The reversal of 13757371421 is 12417375731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13757371421 - 2⁶ = 13757371357 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 (13757301421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3053585 + ... + 3058086.

It is an arithmetic number, because the mean of its divisors is an integer number (3440871336).

Almost surely, 2^13757371421 is an apocalyptic number.

It is an amenable number.

13757371421 is a deficient number, since it is larger than the sum of its proper divisors (6113923).

13757371421 is an equidigital number, since it uses as much as digits as its factorization.

13757371421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113922.

The product of its digits is 123480, while the sum is 41.

The spelling of 13757371421 in words is "thirteen billion, seven hundred fifty-seven million, three hundred seventy-one thousand, four hundred twenty-one".