13119293421 has 48 divisors (see below), whose sum is σ = 21047842816. Its totient is φ = 7823184768.

The previous prime is 13119293419. The next prime is 13119293423. The reversal of 13119293421 is 12439291131.

It is a happy number.

13119293421 is a `hidden beast` number, since 131 + 19 + 2 + 93 + 421 = 666.

It is an interprime number because it is at equal distance from previous prime (13119293419) and next prime (13119293423).

It is not a de Polignac number, because 13119293421 - 2¹ = 13119293419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13119293423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 628671 + ... + 649203.

Almost surely, 2^13119293421 is an apocalyptic number.

It is an amenable number.

13119293421 is a deficient number, since it is larger than the sum of its proper divisors (7928549395).

13119293421 is a wasteful number, since it uses less digits than its factorization.

13119293421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20722 (or 20719 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The spelling of 13119293421 in words is "thirteen billion, one hundred nineteen million, two hundred ninety-three thousand, four hundred twenty-one".