3655022545 has 4 divisors (see below), whose sum is σ = 4386027060. Its totient is φ = 2924018032.

The previous prime is 3655022537. The next prime is 3655022549. The reversal of 3655022545 is 5452205563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5452205563 = 7 ⋅778886509.

It can be written as a sum of positive squares in 2 ways, for example, as 2454607936 + 1200414609 = 49544^2 + 34647^2 .

It is a cyclic number.

It is not a de Polignac number, because 3655022545 - 2³ = 3655022537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3655022549) 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, 365502250 + ... + 365502259.

It is an arithmetic number, because the mean of its divisors is an integer number (1096506765).

Almost surely, 2^3655022545 is an apocalyptic number.

It is an amenable number.

3655022545 is a deficient number, since it is larger than the sum of its proper divisors (731004515).

3655022545 is an equidigital number, since it uses as much as digits as its factorization.

3655022545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731004514.

The product of its (nonzero) digits is 180000, while the sum is 37.

The square root of 3655022545 is about 60456.7824565615. The cubic root of 3655022545 is about 1540.3876216878.

It can be divided in two parts, 36550 and 22545, that added together give a palindrome (59095).

The spelling of 3655022545 in words is "three billion, six hundred fifty-five million, twenty-two thousand, five hundred forty-five".