18753876145849 has 16 divisors (see below), whose sum is σ = 20643713685504. Its totient is φ = 16930029355200.

The previous prime is 18753876145819. The next prime is 18753876145859. The reversal of 18753876145849 is 94854167835781.

It is not a de Polignac number, because 18753876145849 - 2⁹ = 18753876145337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18753876145819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43546137 + ... + 43974694.

It is an arithmetic number, because the mean of its divisors is an integer number (1290232105344).

Almost surely, 2^{18753876145849} is an apocalyptic number.

It is an amenable number.

18753876145849 is a deficient number, since it is larger than the sum of its proper divisors (1889837539655).

18753876145849 is a wasteful number, since it uses less digits than its factorization.

18753876145849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87521208.

The product of its digits is 1625702400, while the sum is 76.

The spelling of 18753876145849 in words is "eighteen trillion, seven hundred fifty-three billion, eight hundred seventy-six million, one hundred forty-five thousand, eight hundred forty-nine".