1814796690 has 64 divisors (see below), whose sum is σ = 5040783360. Its totient is φ = 409556160.

The previous prime is 1814796679. The next prime is 1814796703. The reversal of 1814796690 is 966974181.

It is a happy number.

It is a super-2 number, since 2×1814796690² = 6586974052069912200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38106 + ... + 71285.

It is an arithmetic number, because the mean of its divisors is an integer number (78762240).

Almost surely, 2^1814796690 is an apocalyptic number.

1814796690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1814796690 is an abundant number, since it is smaller than the sum of its proper divisors (3225986670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1814796690 is a wasteful number, since it uses less digits than its factorization.

1814796690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109487.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 1814796690 is about 42600.4306316262. The cubic root of 1814796690 is about 1219.7645093265.

The spelling of 1814796690 in words is "one billion, eight hundred fourteen million, seven hundred ninety-six thousand, six hundred ninety".