7669421456 has 10 divisors (see below), whose sum is σ = 14859504102. Its totient is φ = 3834710720.

The previous prime is 7669421443. The next prime is 7669421467. The reversal of 7669421456 is 6541249667.

It can be written as a sum of positive squares in only one way, i.e., 6403200400 + 1266221056 = 80020^2 + 35584^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239669405 + ... + 239669436.

Almost surely, 2^7669421456 is an apocalyptic number.

It is an amenable number.

7669421456 is a deficient number, since it is larger than the sum of its proper divisors (7190082646).

7669421456 is a wasteful number, since it uses less digits than its factorization.

7669421456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479338849 (or 479338843 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 50.

The square root of 7669421456 is about 87575.2331198724. The cubic root of 7669421456 is about 1972.0633775011.

The spelling of 7669421456 in words is "seven billion, six hundred sixty-nine million, four hundred twenty-one thousand, four hundred fifty-six".