2192672391 has 16 divisors (see below), whose sum is σ = 3598232064. Its totient is φ = 1156574304.

The previous prime is 2192672369. The next prime is 2192672467. The reversal of 2192672391 is 1932762912.

It is not a de Polignac number, because 2192672391 - 2⁹ = 2192671879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192672591) 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, 4015611 + ... + 4016156.

It is an arithmetic number, because the mean of its divisors is an integer number (224889504).

Almost surely, 2^2192672391 is an apocalyptic number.

2192672391 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2192672391 is a deficient number, since it is larger than the sum of its proper divisors (1405559673).

2192672391 is a wasteful number, since it uses less digits than its factorization.

2192672391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8031790.

The product of its digits is 81648, while the sum is 42.

The square root of 2192672391 is about 46825.9798722888. The cubic root of 2192672391 is about 1299.1458671412.

The spelling of 2192672391 in words is "two billion, one hundred ninety-two million, six hundred seventy-two thousand, three hundred ninety-one".