12349904890 has 16 divisors (see below), whose sum is σ = 22511220480. Its totient is φ = 4877430480.

The previous prime is 12349904803. The next prime is 12349904909. The reversal of 12349904890 is 9840994321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7815606 + ... + 7817185.

It is an arithmetic number, because the mean of its divisors is an integer number (1406951280).

Almost surely, 2^12349904890 is an apocalyptic number.

12349904890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12349904890 is a deficient number, since it is larger than the sum of its proper divisors (10161315590).

12349904890 is a wasteful number, since it uses less digits than its factorization.

12349904890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15632877.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 12349904890 in words is "twelve billion, three hundred forty-nine million, nine hundred four thousand, eight hundred ninety".