1959742822 has 4 divisors (see below), whose sum is σ = 2939614236. Its totient is φ = 979871410.

The previous prime is 1959742817. The next prime is 1959742823. The reversal of 1959742822 is 2282479591.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2282479591 = 7 ⋅326068513.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1959742823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489935704 + ... + 489935707.

It is an arithmetic number, because the mean of its divisors is an integer number (734903559).

Almost surely, 2^1959742822 is an apocalyptic number.

1959742822 is a deficient number, since it is larger than the sum of its proper divisors (979871414).

1959742822 is an equidigital number, since it uses as much as digits as its factorization.

1959742822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979871413.

The product of its digits is 725760, while the sum is 49.

The square root of 1959742822 is about 44268.9826176297. The cubic root of 1959742822 is about 1251.4102104735.

The spelling of 1959742822 in words is "one billion, nine hundred fifty-nine million, seven hundred forty-two thousand, eight hundred twenty-two".