1049957381 has 8 divisors (see below), whose sum is σ = 1146157824. Its totient is φ = 953881920.

The previous prime is 1049957371. The next prime is 1049957411. The reversal of 1049957381 is 1837599401.

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-1049957381 is a prime.

It is a super-2 number, since 2×1049957381² = 2204821003832758322, 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 (1049957371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13220 + ... + 47693.

It is an arithmetic number, because the mean of its divisors is an integer number (143269728).

Almost surely, 2^1049957381 is an apocalyptic number.

1049957381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1049957381 is a deficient number, since it is larger than the sum of its proper divisors (96200443).

1049957381 is a wasteful number, since it uses less digits than its factorization.

1049957381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62491.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 1049957381 is about 32403.0458599188. The cubic root of 1049957381 is about 1016.3826049474.

The spelling of 1049957381 in words is "one billion, forty-nine million, nine hundred fifty-seven thousand, three hundred eighty-one".