3677640653 has 4 divisors (see below), whose sum is σ = 3732530880. Its totient is φ = 3622750428.

The previous prime is 3677640649. The next prime is 3677640667. The reversal of 3677640653 is 3560467763.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3560467763 = 73 ⋅48773531.

It is a cyclic number.

It is not a de Polignac number, because 3677640653 - 2² = 3677640649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3677640598 and 3677640607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3677640643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27445013 + ... + 27445146.

It is an arithmetic number, because the mean of its divisors is an integer number (933132720).

Almost surely, 2^3677640653 is an apocalyptic number.

It is an amenable number.

3677640653 is a deficient number, since it is larger than the sum of its proper divisors (54890227).

3677640653 is an equidigital number, since it uses as much as digits as its factorization.

3677640653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54890226.

The product of its (nonzero) digits is 1905120, while the sum is 47.

The square root of 3677640653 is about 60643.5540927476. The cubic root of 3677640653 is about 1543.5585125128.

The spelling of 3677640653 in words is "three billion, six hundred seventy-seven million, six hundred forty thousand, six hundred fifty-three".