3124646642 has 16 divisors (see below), whose sum is σ = 5059181400. Its totient is φ = 1438808832.

The previous prime is 3124646627. The next prime is 3124646663. The reversal of 3124646642 is 2466464213.

It can be written as a sum of positive squares in 4 ways, for example, as 963419521 + 2161227121 = 31039^2 + 46489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3124646596 and 3124646605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127517 + ... + 150032.

Almost surely, 2^3124646642 is an apocalyptic number.

3124646642 is a deficient number, since it is larger than the sum of its proper divisors (1934534758).

3124646642 is a wasteful number, since it uses less digits than its factorization.

3124646642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277997.

The product of its digits is 165888, while the sum is 38.

The square root of 3124646642 is about 55898.5388181122. The cubic root of 3124646642 is about 1461.9537616928.

The spelling of 3124646642 in words is "three billion, one hundred twenty-four million, six hundred forty-six thousand, six hundred forty-two".