4949269391 has 4 divisors (see below), whose sum is σ = 5399202984. Its totient is φ = 4499335800.

The previous prime is 4949269387. The next prime is 4949269417. The reversal of 4949269391 is 1939629494.

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

It is a cyclic number.

It is not a de Polignac number, because 4949269391 - 2² = 4949269387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4949269301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224966780 + ... + 224966801.

It is an arithmetic number, because the mean of its divisors is an integer number (1349800746).

Almost surely, 2^4949269391 is an apocalyptic number.

4949269391 is a deficient number, since it is larger than the sum of its proper divisors (449933593).

4949269391 is a wasteful number, since it uses less digits than its factorization.

4949269391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449933592.

The product of its digits is 3779136, while the sum is 56.

The square root of 4949269391 is about 70351.0439936750. The cubic root of 4949269391 is about 1704.1730685550.

The spelling of 4949269391 in words is "four billion, nine hundred forty-nine million, two hundred sixty-nine thousand, three hundred ninety-one".