18930364337 has 8 divisors (see below), whose sum is σ = 19755072960. Its totient is φ = 18105793200.

The previous prime is 18930364309. The next prime is 18930364339. The reversal of 18930364337 is 73346303981.

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

It is not a de Polignac number, because 18930364337 - 2¹⁸ = 18930102193 is a prime.

It is a super-2 number, since 2×18930364337² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18930364291 and 18930364300.

It is not an unprimeable number, because it can be changed into a prime (18930364339) 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, 328739 + ... + 382007.

It is an arithmetic number, because the mean of its divisors is an integer number (2469384120).

Almost surely, 2^18930364337 is an apocalyptic number.

It is an amenable number.

18930364337 is a deficient number, since it is larger than the sum of its proper divisors (824708623).

18930364337 is a wasteful number, since it uses less digits than its factorization.

18930364337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68743.

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 18930364337 in words is "eighteen billion, nine hundred thirty million, three hundred sixty-four thousand, three hundred thirty-seven".