3402657845 has 18 divisors (see below), whose sum is σ = 4312545858. Its totient is φ = 2576978208.

The previous prime is 3402657833. The next prime is 3402657851. The reversal of 3402657845 is 5487562043.

It can be written as a sum of positive squares in 3 ways, for example, as 2406687364 + 995970481 = 49058^2 + 31559^2 .

It is not a de Polignac number, because 3402657845 - 2⁴ = 3402657829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3402657796 and 3402657805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2477579 + ... + 2478951.

It is an arithmetic number, because the mean of its divisors is an integer number (239585881).

Almost surely, 2^3402657845 is an apocalyptic number.

It is an amenable number.

3402657845 is a deficient number, since it is larger than the sum of its proper divisors (909888013).

3402657845 is an frugal number, since it uses more digits than its factorization.

3402657845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The square root of 3402657845 is about 58332.3053290370. The cubic root of 3402657845 is about 1504.0863164220.

The spelling of 3402657845 in words is "three billion, four hundred two million, six hundred fifty-seven thousand, eight hundred forty-five".