1049779893 has 4 divisors (see below), whose sum is σ = 1399706528. Its totient is φ = 699853260.

The previous prime is 1049779883. The next prime is 1049779901. The reversal of 1049779893 is 3989779401.

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 not a de Polignac number, because 1049779893 - 2¹⁶ = 1049714357 is a prime.

It is a super-2 number, since 2×1049779893² = 2204075647494182898, 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 (1049779813) 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, 174963313 + ... + 174963318.

It is an arithmetic number, because the mean of its divisors is an integer number (349926632).

Almost surely, 2^1049779893 is an apocalyptic number.

It is an amenable number.

1049779893 is a deficient number, since it is larger than the sum of its proper divisors (349926635).

1049779893 is an equidigital number, since it uses as much as digits as its factorization.

1049779893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349926634.

The product of its (nonzero) digits is 3429216, while the sum is 57.

The square root of 1049779893 is about 32400.3069892864. The cubic root of 1049779893 is about 1016.3253309142.

The spelling of 1049779893 in words is "one billion, forty-nine million, seven hundred seventy-nine thousand, eight hundred ninety-three".