7455657641 has 8 divisors (see below), whose sum is σ = 7642477920. Its totient is φ = 7269448032.

The previous prime is 7455657619. The next prime is 7455657721. The reversal of 7455657641 is 1467565547.

7455657641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7455657641 - 2¹⁰ = 7455656617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7455657641.

It is not an unprimeable number, because it can be changed into a prime (7455657541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127895 + ... + 176828.

It is an arithmetic number, because the mean of its divisors is an integer number (955309740).

Almost surely, 2^7455657641 is an apocalyptic number.

It is an amenable number.

7455657641 is a deficient number, since it is larger than the sum of its proper divisors (186820279).

7455657641 is a wasteful number, since it uses less digits than its factorization.

7455657641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305335.

The product of its digits is 3528000, while the sum is 50.

The square root of 7455657641 is about 86346.1501226314. The cubic root of 7455657641 is about 1953.5685381494.

The spelling of 7455657641 in words is "seven billion, four hundred fifty-five million, six hundred fifty-seven thousand, six hundred forty-one".