6890336950015 has 4 divisors (see below), whose sum is σ = 8268404340024. Its totient is φ = 5512269560008.

The previous prime is 6890336949989. The next prime is 6890336950033. The reversal of 6890336950015 is 5100596330986.

It is a happy number.

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 6890336950015 - 2⁷ = 6890336949887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689033694997 + ... + 689033695006.

It is an arithmetic number, because the mean of its divisors is an integer number (2067101085006).

Almost surely, 2^{6890336950015} is an apocalyptic number.

6890336950015 is a deficient number, since it is larger than the sum of its proper divisors (1378067390009).

6890336950015 is a wasteful number, since it uses less digits than its factorization.

6890336950015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378067390008.

The product of its (nonzero) digits is 5248800, while the sum is 55.

The spelling of 6890336950015 in words is "six trillion, eight hundred ninety billion, three hundred thirty-six million, nine hundred fifty thousand, fifteen".