3620942365 has 4 divisors (see below), whose sum is σ = 4345130844. Its totient is φ = 2896753888.

The previous prime is 3620942341. The next prime is 3620942399. The reversal of 3620942365 is 5632490263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5632490263 = 23 ⋅244890881.

It can be written as a sum of positive squares in 2 ways, for example, as 1735472281 + 1885470084 = 41659^2 + 43422^2 .

It is a cyclic number.

It is not a de Polignac number, because 3620942365 - 2⁵ = 3620942333 is a prime.

It is a super-2 number, since 2×3620942365² = 26222447221303586450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362094232 + ... + 362094241.

It is an arithmetic number, because the mean of its divisors is an integer number (1086282711).

Almost surely, 2^3620942365 is an apocalyptic number.

It is an amenable number.

3620942365 is a deficient number, since it is larger than the sum of its proper divisors (724188479).

3620942365 is an equidigital number, since it uses as much as digits as its factorization.

3620942365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724188478.

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 3620942365 is about 60174.2666345008. The cubic root of 3620942365 is about 1535.5850337824.

The spelling of 3620942365 in words is "three billion, six hundred twenty million, nine hundred forty-two thousand, three hundred sixty-five".