1992331733390 has 64 divisors (see below), whose sum is σ = 3630731185152. Its totient is φ = 787104864000.

The previous prime is 1992331733387. The next prime is 1992331733429. The reversal of 1992331733390 is 933371332991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389657474 + ... + 389662586.

It is an arithmetic number, because the mean of its divisors is an integer number (56730174768).

Almost surely, 2^{1992331733390} is an apocalyptic number.

1992331733390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1992331733390 is a deficient number, since it is larger than the sum of its proper divisors (1638399451762).

1992331733390 is a wasteful number, since it uses less digits than its factorization.

1992331733390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705.

The product of its (nonzero) digits is 2480058, while the sum is 53.

The spelling of 1992331733390 in words is "one trillion, nine hundred ninety-two billion, three hundred thirty-one million, seven hundred thirty-three thousand, three hundred ninety".