18834940325776 has 15 divisors (see below), whose sum is σ = 36492730515633. Its totient is φ = 9417461483040.

The previous prime is 18834940325749. The next prime is 18834940325821. The reversal of 18834940325776 is 67752304943881.

The square root of 18834940325776 is 4339924.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15224636319376 + 3610304006400 = 3901876^2 + 1900080^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 16817206 + ... + 17902186.

It is a 1-persistent number, because it is pandigital, but 2⋅18834940325776 = 37669880651552 is not.

Almost surely, 2^{18834940325776} is an apocalyptic number.

18834940325776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

18834940325776 is the 4339924-th square number.

It is an amenable number.

18834940325776 is a deficient number, since it is larger than the sum of its proper divisors (17657790189857).

18834940325776 is an frugal number, since it uses more digits than its factorization.

18834940325776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169970 (or 1084983 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 67.

The spelling of 18834940325776 in words is "eighteen trillion, eight hundred thirty-four billion, nine hundred forty million, three hundred twenty-five thousand, seven hundred seventy-six".