3690694757 has 2 divisors, whose sum is σ = 3690694758. Its totient is φ = 3690694756.

The previous prime is 3690694717. The next prime is 3690694771. The reversal of 3690694757 is 7574960963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3611288836 + 79405921 = 60094^2 + 8911^2 .

It is a cyclic number.

It is not a de Polignac number, because 3690694757 - 2²² = 3686500453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3690694717) 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 as a sum of consecutive naturals, namely, 1845347378 + 1845347379.

It is an arithmetic number, because the mean of its divisors is an integer number (1845347379).

Almost surely, 2^3690694757 is an apocalyptic number.

It is an amenable number.

3690694757 is a deficient number, since it is larger than the sum of its proper divisors (1).

3690694757 is an equidigital number, since it uses as much as digits as its factorization.

3690694757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 56.

The square root of 3690694757 is about 60751.0885252273. The cubic root of 3690694757 is about 1545.3826873968.

The spelling of 3690694757 in words is "three billion, six hundred ninety million, six hundred ninety-four thousand, seven hundred fifty-seven".