1049903191 has 2 divisors, whose sum is σ = 1049903192. Its totient is φ = 1049903190.

The previous prime is 1049903177. The next prime is 1049903201. The reversal of 1049903191 is 1913099401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1049903191 - 2¹⁹ = 1049378903 is a prime.

It is a super-2 number, since 2×1049903191² = 2204593420943964962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1049903191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1049903161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524951595 + 524951596.

It is an arithmetic number, because the mean of its divisors is an integer number (524951596).

Almost surely, 2^1049903191 is an apocalyptic number.

1049903191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049903191 is an equidigital number, since it uses as much as digits as its factorization.

1049903191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 1049903191 is about 32402.2096623054. The cubic root of 1049903191 is about 1016.3651189294.

The spelling of 1049903191 in words is "one billion, forty-nine million, nine hundred three thousand, one hundred ninety-one".