1690633793 has 16 divisors (see below), whose sum is σ = 1771614720. Its totient is φ = 1611289344.

The previous prime is 1690633739. The next prime is 1690633801. The reversal of 1690633793 is 3973360961.

It is a cyclic number.

It is not a de Polignac number, because 1690633793 - 2²⁰ = 1689585217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1690633093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926480 + ... + 928302.

It is an arithmetic number, because the mean of its divisors is an integer number (110725920).

Almost surely, 2^1690633793 is an apocalyptic number.

It is an amenable number.

1690633793 is a deficient number, since it is larger than the sum of its proper divisors (80980927).

1690633793 is a wasteful number, since it uses less digits than its factorization.

1690633793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248.

The product of its (nonzero) digits is 551124, while the sum is 47.

The square root of 1690633793 is about 41117.3174343852. The cubic root of 1690633793 is about 1191.2873089918.

The spelling of 1690633793 in words is "one billion, six hundred ninety million, six hundred thirty-three thousand, seven hundred ninety-three".