3699312394 has 4 divisors (see below), whose sum is σ = 5548968594. Its totient is φ = 1849656196.

The previous prime is 3699312389. The next prime is 3699312427. The reversal of 3699312394 is 4932139963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4932139963 = 701 ⋅7035863.

It can be written as a sum of positive squares in only one way, i.e., 2810378169 + 888934225 = 53013^2 + 29815^2 .

It is a super-2 number, since 2×3699312394² = 27369824376804022472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924828097 + ... + 924828100.

Almost surely, 2^3699312394 is an apocalyptic number.

3699312394 is a deficient number, since it is larger than the sum of its proper divisors (1849656200).

3699312394 is a wasteful number, since it uses less digits than its factorization.

3699312394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849656199.

The product of its digits is 944784, while the sum is 49.

The square root of 3699312394 is about 60821.9729538594. The cubic root of 3699312394 is about 1546.5845564214.

The spelling of 3699312394 in words is "three billion, six hundred ninety-nine million, three hundred twelve thousand, three hundred ninety-four".