2115307646 has 8 divisors (see below), whose sum is σ = 3177678144. Its totient is φ = 1056081600.

The previous prime is 2115307613. The next prime is 2115307657. The reversal of 2115307646 is 6467035112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2115307646² = 8949052874452122632, which contains 22 as substring.

It is a Curzon 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, 784430 + ... + 787121.

It is an arithmetic number, because the mean of its divisors is an integer number (397209768).

Almost surely, 2^2115307646 is an apocalyptic number.

2115307646 is a deficient number, since it is larger than the sum of its proper divisors (1062370498).

2115307646 is a wasteful number, since it uses less digits than its factorization.

2115307646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572226.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2115307646 is about 45992.4737973508. The cubic root of 2115307646 is about 1283.6831672499.

The spelling of 2115307646 in words is "two billion, one hundred fifteen million, three hundred seven thousand, six hundred forty-six".