2449591915 has 4 divisors (see below), whose sum is σ = 2939510304. Its totient is φ = 1959673528.

The previous prime is 2449591877. The next prime is 2449591927. The reversal of 2449591915 is 5191959442.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2449591915 - 2⁷ = 2449591787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244959187 + ... + 244959196.

It is an arithmetic number, because the mean of its divisors is an integer number (734877576).

Almost surely, 2^2449591915 is an apocalyptic number.

2449591915 is a deficient number, since it is larger than the sum of its proper divisors (489918389).

2449591915 is an equidigital number, since it uses as much as digits as its factorization.

2449591915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489918388.

The product of its digits is 583200, while the sum is 49.

The square root of 2449591915 is about 49493.3522303753. The cubic root of 2449591915 is about 1348.0248968493.

The spelling of 2449591915 in words is "two billion, four hundred forty-nine million, five hundred ninety-one thousand, nine hundred fifteen".