3505422378625 has 16 divisors (see below), whose sum is σ = 4378084064640. Its totient is φ = 2802211662000.

The previous prime is 3505422378581. The next prime is 3505422378643. The reversal of 3505422378625 is 5268732245053.

It is not a de Polignac number, because 3505422378625 - 2¹³ = 3505422370433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10465671 + ... + 10795420.

It is an arithmetic number, because the mean of its divisors is an integer number (273630254040).

Almost surely, 2^{3505422378625} is an apocalyptic number.

It is an amenable number.

3505422378625 is a deficient number, since it is larger than the sum of its proper divisors (872661686015).

3505422378625 is a wasteful number, since it uses less digits than its factorization.

3505422378625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21262425 (or 21262415 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 52.

The spelling of 3505422378625 in words is "three trillion, five hundred five billion, four hundred twenty-two million, three hundred seventy-eight thousand, six hundred twenty-five".