1053490849 has 4 divisors (see below), whose sum is σ = 1053942064. Its totient is φ = 1053039636.

The previous prime is 1053490831. The next prime is 1053490861. The reversal of 1053490849 is 9480943501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1053490849 - 2⁵ = 1053490817 is a prime.

It is a super-2 number, since 2×1053490849² = 2219685937853481602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053490819) 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 3 ways as a sum of consecutive naturals, for example, 222087 + ... + 226780.

It is an arithmetic number, because the mean of its divisors is an integer number (263485516).

Almost surely, 2^1053490849 is an apocalyptic number.

It is an amenable number.

1053490849 is a deficient number, since it is larger than the sum of its proper divisors (451215).

1053490849 is an equidigital number, since it uses as much as digits as its factorization.

1053490849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451214.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1053490849 is about 32457.5237656849. The cubic root of 1053490849 is about 1017.5214874313.

The spelling of 1053490849 in words is "one billion, fifty-three million, four hundred ninety thousand, eight hundred forty-nine".