12904153890 has 16 divisors (see below), whose sum is σ = 30969969408. Its totient is φ = 3441107696.

The previous prime is 12904153879. The next prime is 12904153957. The reversal of 12904153890 is 9835140921.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 215069202 + ... + 215069261.

It is an arithmetic number, because the mean of its divisors is an integer number (1935623088).

Almost surely, 2^12904153890 is an apocalyptic number.

12904153890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12904153890 is an abundant number, since it is smaller than the sum of its proper divisors (18065815518).

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

12904153890 is a wasteful number, since it uses less digits than its factorization.

12904153890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430138473.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 12904153890 in words is "twelve billion, nine hundred four million, one hundred fifty-three thousand, eight hundred ninety".