3492892121 has 4 divisors (see below), whose sum is σ = 3516334500. Its totient is φ = 3469449744.

The previous prime is 3492892111. The next prime is 3492892129. The reversal of 3492892121 is 1212982943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1212982943 = 947 ⋅1280869.

It can be written as a sum of positive squares in 2 ways, for example, as 2064430096 + 1428462025 = 45436^2 + 37795^2 .

It is a cyclic number.

It is not a de Polignac number, because 3492892121 - 2³⁰ = 2419150297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3492892129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11720966 + ... + 11721263.

It is an arithmetic number, because the mean of its divisors is an integer number (879083625).

Almost surely, 2^3492892121 is an apocalyptic number.

It is an amenable number.

3492892121 is a deficient number, since it is larger than the sum of its proper divisors (23442379).

3492892121 is a wasteful number, since it uses less digits than its factorization.

3492892121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23442378.

The product of its digits is 62208, while the sum is 41.

The square root of 3492892121 is about 59100.6947590297. The cubic root of 3492892121 is about 1517.2659938243.

The spelling of 3492892121 in words is "three billion, four hundred ninety-two million, eight hundred ninety-two thousand, one hundred twenty-one".