1049948719 has 4 divisors (see below), whose sum is σ = 1067744520. Its totient is φ = 1032152920.

The previous prime is 1049948699. The next prime is 1049948723. The reversal of 1049948719 is 9178499401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9178499401 = 373 ⋅24607237.

It is a cyclic number.

It is not a de Polignac number, because 1049948719 - 2¹⁷ = 1049817647 is a prime.

It is a super-2 number, since 2×1049948719² = 2204784625059481922, 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 (1049948729) 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, 8897812 + ... + 8897929.

It is an arithmetic number, because the mean of its divisors is an integer number (266936130).

Almost surely, 2^1049948719 is an apocalyptic number.

1049948719 is a deficient number, since it is larger than the sum of its proper divisors (17795801).

1049948719 is an equidigital number, since it uses as much as digits as its factorization.

1049948719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17795800.

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 1049948719 is about 32402.9121993687. The cubic root of 1049948719 is about 1016.3798099354.

The spelling of 1049948719 in words is "one billion, forty-nine million, nine hundred forty-eight thousand, seven hundred nineteen".