15213408980843 has 4 divisors (see below), whose sum is σ = 15213420914808. Its totient is φ = 15213397046880.

The previous prime is 15213408980831. The next prime is 15213408980849. The reversal of 15213408980843 is 34808980431251.

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

It is a cyclic number.

It is not a de Polignac number, because 15213408980843 - 2⁸ = 15213408980587 is a prime.

It is a super-3 number, since 3×15213408980843³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15213408980849) 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, 3790046 + ... + 6692627.

It is an arithmetic number, because the mean of its divisors is an integer number (3803355228702).

Almost surely, 2^{15213408980843} is an apocalyptic number.

15213408980843 is a deficient number, since it is larger than the sum of its proper divisors (11933965).

15213408980843 is a wasteful number, since it uses less digits than its factorization.

15213408980843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11933964.

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 15213408980843 in words is "fifteen trillion, two hundred thirteen billion, four hundred eight million, nine hundred eighty thousand, eight hundred forty-three".