18614280441 has 16 divisors (see below), whose sum is σ = 26293149504. Its totient is φ = 11673252864.

The previous prime is 18614280379. The next prime is 18614280473. The reversal of 18614280441 is 14408241681.

It is a happy number.

It is not a de Polignac number, because 18614280441 - 2³¹ = 16466796793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18614280441.

It is not an unprimeable number, because it can be changed into a prime (18614280341) 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, 1911 + ... + 192956.

It is an arithmetic number, because the mean of its divisors is an integer number (1643321844).

Almost surely, 2^18614280441 is an apocalyptic number.

It is an amenable number.

18614280441 is a deficient number, since it is larger than the sum of its proper divisors (7678869063).

18614280441 is a wasteful number, since it uses less digits than its factorization.

18614280441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196760.

The product of its (nonzero) digits is 49152, while the sum is 39.

The spelling of 18614280441 in words is "eighteen billion, six hundred fourteen million, two hundred eighty thousand, four hundred forty-one".