1930704391998 has 32 divisors (see below), whose sum is σ = 4291541694720. Its totient is φ = 643405007160.

The previous prime is 1930704391939. The next prime is 1930704392069. The reversal of 1930704391998 is 8991934070391.

1930704391998 is a `hidden beast` number, since 1 + 9 + 3 + 0 + 7 + 0 + 439 + 199 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4316098 + ... + 4742373.

It is an arithmetic number, because the mean of its divisors is an integer number (134110677960).

Almost surely, 2^{1930704391998} is an apocalyptic number.

1930704391998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1930704391998 is an abundant number, since it is smaller than the sum of its proper divisors (2360837302722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1930704391998 is a wasteful number, since it uses less digits than its factorization.

1930704391998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9062429 (or 9062423 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 63.

The spelling of 1930704391998 in words is "one trillion, nine hundred thirty billion, seven hundred four million, three hundred ninety-one thousand, nine hundred ninety-eight".