1692434921 has 16 divisors (see below), whose sum is σ = 1788174336. Its totient is φ = 1598634576.

The previous prime is 1692434903. The next prime is 1692434929. The reversal of 1692434921 is 1294342961.

It is a cyclic number.

It is not a de Polignac number, because 1692434921 - 2²⁶ = 1625326057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1692434929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096076 + ... + 1097618.

It is an arithmetic number, because the mean of its divisors is an integer number (111760896).

Almost surely, 2^1692434921 is an apocalyptic number.

It is an amenable number.

1692434921 is a deficient number, since it is larger than the sum of its proper divisors (95739415).

1692434921 is a wasteful number, since it uses less digits than its factorization.

1692434921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132.

The product of its digits is 93312, while the sum is 41.

The square root of 1692434921 is about 41139.2139083867. The cubic root of 1692434921 is about 1191.7102074777.

The spelling of 1692434921 in words is "one billion, six hundred ninety-two million, four hundred thirty-four thousand, nine hundred twenty-one".