2528684674 has 8 divisors (see below), whose sum is σ = 3795474060. Its totient is φ = 1263526656.

The previous prime is 2528684651. The next prime is 2528684687. The reversal of 2528684674 is 4764868252.

It can be written as a sum of positive squares in 2 ways, for example, as 2475759049 + 52925625 = 49757^2 + 7275^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403959 + ... + 410170.

Almost surely, 2^2528684674 is an apocalyptic number.

2528684674 is a deficient number, since it is larger than the sum of its proper divisors (1266789386).

2528684674 is a wasteful number, since it uses less digits than its factorization.

2528684674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815684.

The product of its digits is 5160960, while the sum is 52.

The square root of 2528684674 is about 50286.0286163065. The cubic root of 2528684674 is about 1362.3798932816.

The spelling of 2528684674 in words is "two billion, five hundred twenty-eight million, six hundred eighty-four thousand, six hundred seventy-four".