7144077649 has 4 divisors (see below), whose sum is σ = 7145792164. Its totient is φ = 7142363136.

The previous prime is 7144077617. The next prime is 7144077659. The reversal of 7144077649 is 9467704417.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9467704417 = 95507 ⋅99131.

It can be written as a sum of positive squares in 2 ways, for example, as 3174195600 + 3969882049 = 56340^2 + 63007^2 .

It is a cyclic number.

It is not a de Polignac number, because 7144077649 - 2⁵ = 7144077617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7144077659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850992 + ... + 859345.

It is an arithmetic number, because the mean of its divisors is an integer number (1786448041).

Almost surely, 2^7144077649 is an apocalyptic number.

It is an amenable number.

7144077649 is a deficient number, since it is larger than the sum of its proper divisors (1714515).

7144077649 is a wasteful number, since it uses less digits than its factorization.

7144077649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714514.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The square root of 7144077649 is about 84522.6457761469. The cubic root of 7144077649 is about 1925.9664702422.

The spelling of 7144077649 in words is "seven billion, one hundred forty-four million, seventy-seven thousand, six hundred forty-nine".