1049506391 has 8 divisors (see below), whose sum is σ = 1059864960. Its totient is φ = 1039161312.

The previous prime is 1049506361. The next prime is 1049506411. The reversal of 1049506391 is 1936059401.

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 1049506391 - 2²² = 1045312087 is a prime.

It is a super-2 number, since 2×1049506391² = 2202927329499689762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049506301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231341 + ... + 235833.

It is an arithmetic number, because the mean of its divisors is an integer number (132483120).

Almost surely, 2^1049506391 is an apocalyptic number.

1049506391 is a deficient number, since it is larger than the sum of its proper divisors (10358569).

1049506391 is a wasteful number, since it uses less digits than its factorization.

1049506391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 1049506391 is about 32396.0860444591. The cubic root of 1049506391 is about 1016.2370612507.

The spelling of 1049506391 in words is "one billion, forty-nine million, five hundred six thousand, three hundred ninety-one".