3149497805 has 8 divisors (see below), whose sum is σ = 3867290592. Its totient is φ = 2461002768.

The previous prime is 3149497739. The next prime is 3149497849. The reversal of 3149497805 is 5087949413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3149497805 - 2²⁰ = 3148449229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7324199 + ... + 7324628.

It is an arithmetic number, because the mean of its divisors is an integer number (483411324).

Almost surely, 2^3149497805 is an apocalyptic number.

It is an amenable number.

3149497805 is a deficient number, since it is larger than the sum of its proper divisors (717792787).

3149497805 is a wasteful number, since it uses less digits than its factorization.

3149497805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14648875.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 3149497805 is about 56120.3867146334. The cubic root of 3149497805 is about 1465.8193035477.

The spelling of 3149497805 in words is "three billion, one hundred forty-nine million, four hundred ninety-seven thousand, eight hundred five".