2449392891 has 8 divisors (see below), whose sum is σ = 3562753344. Its totient is φ = 1484480520.

The previous prime is 2449392851. The next prime is 2449392917. The reversal of 2449392891 is 1982939442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2449392891 - 2²⁶ = 2382284027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2449392811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37111981 + ... + 37112046.

It is an arithmetic number, because the mean of its divisors is an integer number (445344168).

Almost surely, 2^2449392891 is an apocalyptic number.

2449392891 is a deficient number, since it is larger than the sum of its proper divisors (1113360453).

2449392891 is a wasteful number, since it uses less digits than its factorization.

2449392891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74224041.

The product of its digits is 1119744, while the sum is 51.

The square root of 2449392891 is about 49491.3415760777. The cubic root of 2449392891 is about 1347.9883878330.

The spelling of 2449392891 in words is "two billion, four hundred forty-nine million, three hundred ninety-two thousand, eight hundred ninety-one".