3694631245 has 4 divisors (see below), whose sum is σ = 4433557500. Its totient is φ = 2955704992.

The previous prime is 3694631209. The next prime is 3694631249. The reversal of 3694631245 is 5421364963.

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 1631109769 + 2063521476 = 40387^2 + 45426^2 .

It is a cyclic number.

It is not a de Polignac number, because 3694631245 - 2⁹ = 3694630733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3694631249) 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, 369463120 + ... + 369463129.

It is an arithmetic number, because the mean of its divisors is an integer number (1108389375).

Almost surely, 2^3694631245 is an apocalyptic number.

It is an amenable number.

3694631245 is a deficient number, since it is larger than the sum of its proper divisors (738926255).

3694631245 is an equidigital number, since it uses as much as digits as its factorization.

3694631245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738926254.

The product of its digits is 466560, while the sum is 43.

The square root of 3694631245 is about 60783.4783884568. The cubic root of 3694631245 is about 1545.9319262479.

The spelling of 3694631245 in words is "three billion, six hundred ninety-four million, six hundred thirty-one thousand, two hundred forty-five".