15435381369 has 8 divisors (see below), whose sum is σ = 20658762432. Its totient is φ = 10251127280.

The previous prime is 15435381359. The next prime is 15435381391. The reversal of 15435381369 is 96318353451.

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 15435381369 - 2²⁷ = 15301163641 is a prime.

It is a super-2 number, since 2×15435381369² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15435381359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9780822 + ... + 9782399.

It is an arithmetic number, because the mean of its divisors is an integer number (2582345304).

Almost surely, 2^15435381369 is an apocalyptic number.

It is an amenable number.

15435381369 is a deficient number, since it is larger than the sum of its proper divisors (5223381063).

15435381369 is a wasteful number, since it uses less digits than its factorization.

15435381369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19563487.

The product of its digits is 1166400, while the sum is 48.

The spelling of 15435381369 in words is "fifteen billion, four hundred thirty-five million, three hundred eighty-one thousand, three hundred sixty-nine".