2449881964 has 24 divisors (see below), whose sum is σ = 4598097840. Its totient is φ = 1138572864.

The previous prime is 2449881949. The next prime is 2449881991. The reversal of 2449881964 is 4691889442.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300079 + ... + 308134.

It is an arithmetic number, because the mean of its divisors is an integer number (191587410).

Almost surely, 2^2449881964 is an apocalyptic number.

It is an amenable number.

2449881964 is a deficient number, since it is larger than the sum of its proper divisors (2148215876).

2449881964 is a wasteful number, since it uses less digits than its factorization.

2449881964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608289 (or 608287 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 55.

The square root of 2449881964 is about 49496.2823250393. The cubic root of 2449881964 is about 1348.0780999753.

The spelling of 2449881964 in words is "two billion, four hundred forty-nine million, eight hundred eighty-one thousand, nine hundred sixty-four".