18993049207310 has 32 divisors (see below), whose sum is σ = 34206324903072. Its totient is φ = 7593034752000.

The previous prime is 18993049207277. The next prime is 18993049207313. The reversal of 18993049207310 is 1370294039981.

It is a super-2 number, since 2×18993049207310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18993049207313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180402185 + ... + 180507435.

It is an arithmetic number, because the mean of its divisors is an integer number (1068947653221).

Almost surely, 2^{18993049207310} is an apocalyptic number.

18993049207310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18993049207310 is a deficient number, since it is larger than the sum of its proper divisors (15213275695762).

18993049207310 is a wasteful number, since it uses less digits than its factorization.

18993049207310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115028.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 18993049207310 in words is "eighteen trillion, nine hundred ninety-three billion, forty-nine million, two hundred seven thousand, three hundred ten".