1949293159 has 8 divisors (see below), whose sum is σ = 2126938752. Its totient is φ = 1771720440.

The previous prime is 1949293147. The next prime is 1949293183. The reversal of 1949293159 is 9513929491.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1949293159 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 (1949293139) by changing a digit.

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, 48292 + ... + 78934.

It is an arithmetic number, because the mean of its divisors is an integer number (265867344).

Almost surely, 2^1949293159 is an apocalyptic number.

1949293159 is a deficient number, since it is larger than the sum of its proper divisors (177645593).

1949293159 is a wasteful number, since it uses less digits than its factorization.

1949293159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36437.

The product of its digits is 787320, while the sum is 52.

The square root of 1949293159 is about 44150.8002079238. The cubic root of 1949293159 is about 1249.1820054113.

The spelling of 1949293159 in words is "one billion, nine hundred forty-nine million, two hundred ninety-three thousand, one hundred fifty-nine".