3125629426 has 16 divisors (see below), whose sum is σ = 4741319448. Its totient is φ = 1545232000.

The previous prime is 3125629421. The next prime is 3125629433. The reversal of 3125629426 is 6249265213.

It can be written as a sum of positive squares in 4 ways, for example, as 3040971025 + 84658401 = 55145^2 + 9201^2 .

It is not an unprimeable number, because it can be changed into a prime (3125629421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143556 + ... + 163888.

Almost surely, 2^3125629426 is an apocalyptic number.

3125629426 is a deficient number, since it is larger than the sum of its proper divisors (1615690022).

3125629426 is a wasteful number, since it uses less digits than its factorization.

3125629426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21197.

The product of its digits is 155520, while the sum is 40.

The square root of 3125629426 is about 55907.3289113333. The cubic root of 3125629426 is about 1462.1070199991.

The spelling of 3125629426 in words is "three billion, one hundred twenty-five million, six hundred twenty-nine thousand, four hundred twenty-six".