1049499853 has 4 divisors (see below), whose sum is σ = 1049825340. Its totient is φ = 1049174368.

The previous prime is 1049499833. The next prime is 1049499877. The reversal of 1049499853 is 3589949401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3589949401 = 167 ⋅21496703.

It can be written as a sum of positive squares in 2 ways, for example, as 634888809 + 414611044 = 25197^2 + 20362^2 .

It is a cyclic number.

It is not a de Polignac number, because 1049499853 - 2¹³ = 1049491661 is a prime.

It is a super-2 number, since 2×1049499853² = 2202899882894043218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1049499853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049499833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157858 + ... + 164371.

It is an arithmetic number, because the mean of its divisors is an integer number (262456335).

Almost surely, 2^1049499853 is an apocalyptic number.

It is an amenable number.

1049499853 is a deficient number, since it is larger than the sum of its proper divisors (325487).

1049499853 is an equidigital number, since it uses as much as digits as its factorization.

1049499853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325486.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 1049499853 is about 32395.9851370505. The cubic root of 1049499853 is about 1016.2349509978.

The spelling of 1049499853 in words is "one billion, forty-nine million, four hundred ninety-nine thousand, eight hundred fifty-three".