18649023828430 has 8 divisors (see below), whose sum is σ = 33568242891192. Its totient is φ = 7459609531368.

The previous prime is 18649023828427. The next prime is 18649023828431. The reversal of 18649023828430 is 3482832094681.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18649023828431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932451191412 + ... + 932451191431.

It is an arithmetic number, because the mean of its divisors is an integer number (4196030361399).

Almost surely, 2^{18649023828430} is an apocalyptic number.

18649023828430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18649023828430 is a deficient number, since it is larger than the sum of its proper divisors (14919219062762).

18649023828430 is a wasteful number, since it uses less digits than its factorization.

18649023828430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864902382850.

The product of its (nonzero) digits is 15925248, while the sum is 58.

The spelling of 18649023828430 in words is "eighteen trillion, six hundred forty-nine billion, twenty-three million, eight hundred twenty-eight thousand, four hundred thirty".