7044215649 has 16 divisors (see below), whose sum is σ = 9574526208. Its totient is φ = 4605643152.

The previous prime is 7044215641. The next prime is 7044215657. The reversal of 7044215649 is 9465124407.

It is an interprime number because it is at equal distance from previous prime (7044215641) and next prime (7044215657).

It is not a de Polignac number, because 7044215649 - 2³ = 7044215641 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7044215649.

It is not an unprimeable number, because it can be changed into a prime (7044215641) 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, 31567 + ... + 122820.

It is an arithmetic number, because the mean of its divisors is an integer number (598407888).

Almost surely, 2^7044215649 is an apocalyptic number.

It is an amenable number.

7044215649 is a deficient number, since it is larger than the sum of its proper divisors (2530310559).

7044215649 is a wasteful number, since it uses less digits than its factorization.

7044215649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154684.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 7044215649 is about 83929.8257415086. The cubic root of 7044215649 is about 1916.9504222544.

The spelling of 7044215649 in words is "seven billion, forty-four million, two hundred fifteen thousand, six hundred forty-nine".