3421620265 has 12 divisors (see below), whose sum is σ = 4776302916. Its totient is φ = 2346253728.

The previous prime is 3421620233. The next prime is 3421620337. The reversal of 3421620265 is 5620261243.

3421620265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2353899289 + 1067720976 = 48517^2 + 32676^2 .

It is not a de Polignac number, because 3421620265 - 2⁵ = 3421620233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6982654 + ... + 6983143.

It is an arithmetic number, because the mean of its divisors is an integer number (398025243).

Almost surely, 2^3421620265 is an apocalyptic number.

3421620265 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3421620265 is a deficient number, since it is larger than the sum of its proper divisors (1354682651).

3421620265 is a wasteful number, since it uses less digits than its factorization.

3421620265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13965816 (or 13965809 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 3421620265 is about 58494.6174019456. The cubic root of 3421620265 is about 1506.8751460267.

The spelling of 3421620265 in words is "three billion, four hundred twenty-one million, six hundred twenty thousand, two hundred sixty-five".