18876390541 has 8 divisors (see below), whose sum is σ = 19933373120. Its totient is φ = 17825756832.

The previous prime is 18876390539. The next prime is 18876390553. The reversal of 18876390541 is 14509367881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18876390541 - 2¹ = 18876390539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18876390581) 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, 1581105 + ... + 1592998.

It is an arithmetic number, because the mean of its divisors is an integer number (2491671640).

Almost surely, 2^18876390541 is an apocalyptic number.

It is an amenable number.

18876390541 is a deficient number, since it is larger than the sum of its proper divisors (1056982579).

18876390541 is a wasteful number, since it uses less digits than its factorization.

18876390541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174435.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 18876390541 in words is "eighteen billion, eight hundred seventy-six million, three hundred ninety thousand, five hundred forty-one".