3420475637 has 4 divisors (see below), whose sum is σ = 3423114156. Its totient is φ = 3417837120.

The previous prime is 3420475609. The next prime is 3420475657. The reversal of 3420475637 is 7365740243.

3420475637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2792171281 + 628304356 = 52841^2 + 25066^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420475637 - 2¹² = 3420471541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3420475594 and 3420475603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420475657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317314 + ... + 1319907.

It is an arithmetic number, because the mean of its divisors is an integer number (855778539).

Almost surely, 2^3420475637 is an apocalyptic number.

It is an amenable number.

3420475637 is a deficient number, since it is larger than the sum of its proper divisors (2638519).

3420475637 is a wasteful number, since it uses less digits than its factorization.

3420475637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638518.

The product of its (nonzero) digits is 423360, while the sum is 41.

The square root of 3420475637 is about 58484.8325380179. The cubic root of 3420475637 is about 1506.7070966116.

The spelling of 3420475637 in words is "three billion, four hundred twenty million, four hundred seventy-five thousand, six hundred thirty-seven".