3690672493 has 4 divisors (see below), whose sum is σ = 3691513980. Its totient is φ = 3689831008.

The previous prime is 3690672473. The next prime is 3690672527. The reversal of 3690672493 is 3942760963.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2190427204 + 1500245289 = 46802^2 + 38733^2 .

It is a cyclic number.

It is not a de Polignac number, because 3690672493 - 2⁹ = 3690671981 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690672473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414130 + ... + 422947.

It is an arithmetic number, because the mean of its divisors is an integer number (922878495).

Almost surely, 2^3690672493 is an apocalyptic number.

It is an amenable number.

3690672493 is a deficient number, since it is larger than the sum of its proper divisors (841487).

3690672493 is an equidigital number, since it uses as much as digits as its factorization.

3690672493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841486.

The product of its (nonzero) digits is 1469664, while the sum is 49.

The square root of 3690672493 is about 60750.9052854359. The cubic root of 3690672493 is about 1545.3795798997.

The spelling of 3690672493 in words is "three billion, six hundred ninety million, six hundred seventy-two thousand, four hundred ninety-three".