336381895621 has 4 divisors (see below), whose sum is σ = 347232924544. Its totient is φ = 325530866700.

The previous prime is 336381895589. The next prime is 336381895631. The reversal of 336381895621 is 126598183633.

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 not a de Polignac number, because 336381895621 - 2⁵ = 336381895589 is a prime.

It is a super-2 number, since 2×336381895621² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (336381895631) 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, 5425514415 + ... + 5425514476.

It is an arithmetic number, because the mean of its divisors is an integer number (86808231136).

Almost surely, 2^336381895621 is an apocalyptic number.

336381895621 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

336381895621 is a deficient number, since it is larger than the sum of its proper divisors (10851028923).

336381895621 is a wasteful number, since it uses less digits than its factorization.

336381895621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10851028922.

The product of its digits is 5598720, while the sum is 55.

The spelling of 336381895621 in words is "three hundred thirty-six billion, three hundred eighty-one million, eight hundred ninety-five thousand, six hundred twenty-one".