2868694628 has 6 divisors (see below), whose sum is σ = 5020215606. Its totient is φ = 1434347312.

The previous prime is 2868694603. The next prime is 2868694643. The reversal of 2868694628 is 8264968682.

It can be written as a sum of positive squares in only one way, i.e., 2711493184 + 157201444 = 52072^2 + 12538^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358586825 + ... + 358586832.

It is an arithmetic number, because the mean of its divisors is an integer number (836702601).

Almost surely, 2^2868694628 is an apocalyptic number.

It is an amenable number.

2868694628 is a deficient number, since it is larger than the sum of its proper divisors (2151520978).

2868694628 is a wasteful number, since it uses less digits than its factorization.

2868694628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717173661 (or 717173659 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 59.

The square root of 2868694628 is about 53560.1963028516. The cubic root of 2868694628 is about 1420.8932137354.

The spelling of 2868694628 in words is "two billion, eight hundred sixty-eight million, six hundred ninety-four thousand, six hundred twenty-eight".