3656676973 has 2 divisors, whose sum is σ = 3656676974. Its totient is φ = 3656676972.

The previous prime is 3656676941. The next prime is 3656677097. The reversal of 3656676973 is 3796766563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3580586244 + 76090729 = 59838^2 + 8723^2 .

It is an emirp because it is prime and its reverse (3796766563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3656676973 - 2⁵ = 3656676941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3656676913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1828338486 + 1828338487.

It is an arithmetic number, because the mean of its divisors is an integer number (1828338487).

Almost surely, 2^3656676973 is an apocalyptic number.

It is an amenable number.

3656676973 is a deficient number, since it is larger than the sum of its proper divisors (1).

3656676973 is an equidigital number, since it uses as much as digits as its factorization.

3656676973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25719120, while the sum is 58.

The square root of 3656676973 is about 60470.4636413514. The cubic root of 3656676973 is about 1540.6200029259.

The spelling of 3656676973 in words is "three billion, six hundred fifty-six million, six hundred seventy-six thousand, nine hundred seventy-three".