3425736644 has 24 divisors (see below), whose sum is σ = 6544583136. Its totient is φ = 1556072000.

The previous prime is 3425736583. The next prime is 3425736659. The reversal of 3425736644 is 4466375243.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 3425736595 and 3425736604.

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, 38879 + ... + 91449.

It is an arithmetic number, because the mean of its divisors is an integer number (272690964).

Almost surely, 2^3425736644 is an apocalyptic number.

It is an amenable number.

3425736644 is a deficient number, since it is larger than the sum of its proper divisors (3118846492).

3425736644 is a wasteful number, since it uses less digits than its factorization.

3425736644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54067 (or 54065 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 44.

The square root of 3425736644 is about 58529.7927896554. The cubic root of 3425736644 is about 1507.4791857247.

The spelling of 3425736644 in words is "three billion, four hundred twenty-five million, seven hundred thirty-six thousand, six hundred forty-four".