8019288641 has 16 divisors (see below), whose sum is σ = 9906344448. Its totient is φ = 6321499200.

The previous prime is 8019288631. The next prime is 8019288643. The reversal of 8019288641 is 1468829108.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8019288641 - 2²² = 8015094337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8019288643) 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, 137930 + ... + 187251.

It is an arithmetic number, because the mean of its divisors is an integer number (619146528).

Almost surely, 2^8019288641 is an apocalyptic number.

It is an amenable number.

8019288641 is a deficient number, since it is larger than the sum of its proper divisors (1887055807).

8019288641 is a wasteful number, since it uses less digits than its factorization.

8019288641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325472.

The product of its (nonzero) digits is 221184, while the sum is 47.

The square root of 8019288641 is about 89550.4809646492. The cubic root of 8019288641 is about 2001.6060966316.

The spelling of 8019288641 in words is "eight billion, nineteen million, two hundred eighty-eight thousand, six hundred forty-one".