3405626634785 has 8 divisors (see below), whose sum is σ = 4102653721896. Its totient is φ = 2713900134400.

The previous prime is 3405626634757. The next prime is 3405626634803. The reversal of 3405626634785 is 5874366265043.

It can be written as a sum of positive squares in 4 ways, for example, as 1981318053649 + 1424308581136 = 1407593^2 + 1193444^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3405626634785 - 2¹⁶ = 3405626569249 is a prime.

It is a Duffinian number.

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, 1325145266 + ... + 1325147835.

It is an arithmetic number, because the mean of its divisors is an integer number (512831715237).

Almost surely, 2^{3405626634785} is an apocalyptic number.

It is an amenable number.

3405626634785 is a deficient number, since it is larger than the sum of its proper divisors (697027087111).

3405626634785 is a wasteful number, since it uses less digits than its factorization.

3405626634785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650293363.

The product of its (nonzero) digits is 87091200, while the sum is 59.

The spelling of 3405626634785 in words is "three trillion, four hundred five billion, six hundred twenty-six million, six hundred thirty-four thousand, seven hundred eighty-five".