18339929969404 has 6 divisors (see below), whose sum is σ = 32094877446464. Its totient is φ = 9169964984700.

The previous prime is 18339929969377. The next prime is 18339929969437. The reversal of 18339929969404 is 40496992993381.

It is a super-2 number, since 2×18339929969404² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2292491246172 + ... + 2292491246179.

Almost surely, 2^{18339929969404} is an apocalyptic number.

It is an amenable number.

18339929969404 is a deficient number, since it is larger than the sum of its proper divisors (13754947477060).

18339929969404 is a wasteful number, since it uses less digits than its factorization.

18339929969404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584982492355 (or 4584982492353 counting only the distinct ones).

The product of its (nonzero) digits is 816293376, while the sum is 76.

The spelling of 18339929969404 in words is "eighteen trillion, three hundred thirty-nine billion, nine hundred twenty-nine million, nine hundred sixty-nine thousand, four hundred four".