2449644455 has 16 divisors (see below), whose sum is σ = 2977935840. Its totient is φ = 1934220288.

The previous prime is 2449644437. The next prime is 2449644473. The reversal of 2449644455 is 5544469442.

It is an interprime number because it is at equal distance from previous prime (2449644437) and next prime (2449644473).

It is a cyclic number.

It is not a de Polignac number, because 2449644455 - 2¹⁶ = 2449578919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259244 + ... + 268526.

It is an arithmetic number, because the mean of its divisors is an integer number (186120990).

Almost surely, 2^2449644455 is an apocalyptic number.

2449644455 is a deficient number, since it is larger than the sum of its proper divisors (528291385).

2449644455 is an equidigital number, since it uses as much as digits as its factorization.

2449644455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9970.

The product of its digits is 2764800, while the sum is 47.

The square root of 2449644455 is about 49493.8830058827. The cubic root of 2449644455 is about 1348.0345344711.

The spelling of 2449644455 in words is "two billion, four hundred forty-nine million, six hundred forty-four thousand, four hundred fifty-five".