6425290628 has 6 divisors (see below), whose sum is σ = 11244258606. Its totient is φ = 3212645312.

The previous prime is 6425290601. The next prime is 6425290657. The reversal of 6425290628 is 8260925246.

It can be written as a sum of positive squares in only one way, i.e., 6272323204 + 152967424 = 79198^2 + 12368^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803161325 + ... + 803161332.

It is an arithmetic number, because the mean of its divisors is an integer number (1874043101).

Almost surely, 2^6425290628 is an apocalyptic number.

It is an amenable number.

6425290628 is a deficient number, since it is larger than the sum of its proper divisors (4818967978).

6425290628 is a wasteful number, since it uses less digits than its factorization.

6425290628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606322661 (or 1606322659 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 6425290628 is about 80157.9105765613. The cubic root of 6425290628 is about 1859.0779169519.

The spelling of 6425290628 in words is "six billion, four hundred twenty-five million, two hundred ninety thousand, six hundred twenty-eight".