18413245990 has 16 divisors (see below), whose sum is σ = 34888255920. Its totient is φ = 6977651040.

The previous prime is 18413245979. The next prime is 18413245997. The reversal of 18413245990 is 9954231481.

It is a self number, because there is not a number n which added to its sum of digits gives 18413245990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18413245997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48455721 + ... + 48456100.

It is an arithmetic number, because the mean of its divisors is an integer number (2180515995).

Almost surely, 2^18413245990 is an apocalyptic number.

18413245990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18413245990 is a deficient number, since it is larger than the sum of its proper divisors (16475009930).

18413245990 is a wasteful number, since it uses less digits than its factorization.

18413245990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96911847.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 18413245990 in words is "eighteen billion, four hundred thirteen million, two hundred forty-five thousand, nine hundred ninety".