3655372049 has 8 divisors (see below), whose sum is σ = 4178072640. Its totient is φ = 3132797616.

The previous prime is 3655372027. The next prime is 3655372109. The reversal of 3655372049 is 9402735563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3655372049 - 2²⁴ = 3638594833 is a prime.

It is a super-2 number, since 2×3655372049² = 26723489633220916802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3655372549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41987 + ... + 95255.

It is an arithmetic number, because the mean of its divisors is an integer number (522259080).

Almost surely, 2^3655372049 is an apocalyptic number.

It is an amenable number.

3655372049 is a deficient number, since it is larger than the sum of its proper divisors (522700591).

3655372049 is an equidigital number, since it uses as much as digits as its factorization.

3655372049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63079.

The product of its (nonzero) digits is 680400, while the sum is 44.

The square root of 3655372049 is about 60459.6729150928. The cubic root of 3655372049 is about 1540.4367189204.

The spelling of 3655372049 in words is "three billion, six hundred fifty-five million, three hundred seventy-two thousand, forty-nine".