3723645769 has 2 divisors, whose sum is σ = 3723645770. Its totient is φ = 3723645768.

The previous prime is 3723645767. The next prime is 3723645869. The reversal of 3723645769 is 9675463273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3307975225 + 415670544 = 57515^2 + 20388^2 .

It is a cyclic number.

It is not a de Polignac number, because 3723645769 - 2¹ = 3723645767 is a prime.

It is a super-2 number, since 2×3723645769² = 27731075625983202722, which contains 22 as substring.

Together with 3723645767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3723645767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861822884 + 1861822885.

It is an arithmetic number, because the mean of its divisors is an integer number (1861822885).

Almost surely, 2^3723645769 is an apocalyptic number.

It is an amenable number.

3723645769 is a deficient number, since it is larger than the sum of its proper divisors (1).

3723645769 is an equidigital number, since it uses as much as digits as its factorization.

3723645769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 52.

The square root of 3723645769 is about 61021.6827775177. The cubic root of 3723645769 is about 1549.9681948382.

The spelling of 3723645769 in words is "three billion, seven hundred twenty-three million, six hundred forty-five thousand, seven hundred sixty-nine".