3679217749 has 2 divisors, whose sum is σ = 3679217750. Its totient is φ = 3679217748.

The previous prime is 3679217693. The next prime is 3679217767. The reversal of 3679217749 is 9477129763.

3679217749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2829495249 + 849722500 = 53193^2 + 29150^2 .

It is a cyclic number.

It is not a de Polignac number, because 3679217749 - 2⁷ = 3679217621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3679217749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3679217249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839608874 + 1839608875.

It is an arithmetic number, because the mean of its divisors is an integer number (1839608875).

Almost surely, 2^3679217749 is an apocalyptic number.

It is an amenable number.

3679217749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3679217749 is an equidigital number, since it uses as much as digits as its factorization.

3679217749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 55.

The square root of 3679217749 is about 60656.5556968082. Note that the first 3 decimals coincide. The cubic root of 3679217749 is about 1543.7791242485.

The spelling of 3679217749 in words is "three billion, six hundred seventy-nine million, two hundred seventeen thousand, seven hundred forty-nine".