2692116421 has 4 divisors (see below), whose sum is σ = 2692527244. Its totient is φ = 2691705600.

The previous prime is 2692116419. The next prime is 2692116451. The reversal of 2692116421 is 1246112962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1050732225 + 1641384196 = 32415^2 + 40514^2 .

It is a cyclic number.

It is not a de Polignac number, because 2692116421 - 2¹ = 2692116419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2692116451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195420 + ... + 208741.

It is an arithmetic number, because the mean of its divisors is an integer number (673131811).

Almost surely, 2^2692116421 is an apocalyptic number.

It is an amenable number.

2692116421 is a deficient number, since it is larger than the sum of its proper divisors (410823).

2692116421 is an equidigital number, since it uses as much as digits as its factorization.

2692116421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410822.

The product of its digits is 10368, while the sum is 34.

The square root of 2692116421 is about 51885.6089971005. The cubic root of 2692116421 is about 1391.1200573144.

The spelling of 2692116421 in words is "two billion, six hundred ninety-two million, one hundred sixteen thousand, four hundred twenty-one".