1049994859 has 2 divisors, whose sum is σ = 1049994860. Its totient is φ = 1049994858.

The previous prime is 1049994791. The next prime is 1049994877. The reversal of 1049994859 is 9584999401.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9584999401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1049994859 - 2⁹ = 1049994347 is a prime.

It is a super-2 number, since 2×1049994859² = 2204978407852859762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1049997859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524997429 + 524997430.

It is an arithmetic number, because the mean of its divisors is an integer number (524997430).

Almost surely, 2^1049994859 is an apocalyptic number.

1049994859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049994859 is an equidigital number, since it uses as much as digits as its factorization.

1049994859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 58.

The square root of 1049994859 is about 32403.6241645900. The cubic root of 1049994859 is about 1016.3946979888.

The spelling of 1049994859 in words is "one billion, forty-nine million, nine hundred ninety-four thousand, eight hundred fifty-nine".