1244465849 has 16 divisors (see below), whose sum is σ = 1366709760. Its totient is φ = 1123772160.

The previous prime is 1244465843. The next prime is 1244465861. The reversal of 1244465849 is 9485644421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1244465849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244465843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1441592 + ... + 1442454.

It is an arithmetic number, because the mean of its divisors is an integer number (85419360).

Almost surely, 2^1244465849 is an apocalyptic number.

It is an amenable number.

1244465849 is a deficient number, since it is larger than the sum of its proper divisors (122243911).

1244465849 is a wasteful number, since it uses less digits than its factorization.

1244465849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600.

The product of its digits is 1105920, while the sum is 47.

The square root of 1244465849 is about 35276.9875272819. The cubic root of 1244465849 is about 1075.6252642292.

The spelling of 1244465849 in words is "one billion, two hundred forty-four million, four hundred sixty-five thousand, eight hundred forty-nine".