1949182513 has 8 divisors (see below), whose sum is σ = 1977307200. Its totient is φ = 1921241520.

The previous prime is 1949182453. The next prime is 1949182577. The reversal of 1949182513 is 3152819491.

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

It is a de Polignac number, because none of the positive numbers 2^k-1949182513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1949182513.

It is not an unprimeable number, because it can be changed into a prime (1949182913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24478 + ... + 67063.

It is an arithmetic number, because the mean of its divisors is an integer number (247163400).

Almost surely, 2^1949182513 is an apocalyptic number.

It is an amenable number.

1949182513 is a deficient number, since it is larger than the sum of its proper divisors (28124687).

1949182513 is a wasteful number, since it uses less digits than its factorization.

1949182513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91847.

The product of its digits is 77760, while the sum is 43.

The square root of 1949182513 is about 44149.5471437703. The cubic root of 1949182513 is about 1249.1583695604.

The spelling of 1949182513 in words is "one billion, nine hundred forty-nine million, one hundred eighty-two thousand, five hundred thirteen".