3691964049 has 4 divisors (see below), whose sum is σ = 4922618736. Its totient is φ = 2461309364.

The previous prime is 3691964021. The next prime is 3691964051. The reversal of 3691964049 is 9404691963.

3691964049 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3691964049 - 2⁹ = 3691963537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3691963992 and 3691964010.

It is not an unprimeable number, because it can be changed into a prime (3691965049) 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, 615327339 + ... + 615327344.

It is an arithmetic number, because the mean of its divisors is an integer number (1230654684).

Almost surely, 2^3691964049 is an apocalyptic number.

It is an amenable number.

3691964049 is a deficient number, since it is larger than the sum of its proper divisors (1230654687).

3691964049 is a wasteful number, since it uses less digits than its factorization.

3691964049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230654686.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The square root of 3691964049 is about 60761.5342877383. The cubic root of 3691964049 is about 1545.5598281237.

The spelling of 3691964049 in words is "three billion, six hundred ninety-one million, nine hundred sixty-four thousand, forty-nine".