1942635419 has 2 divisors, whose sum is σ = 1942635420. Its totient is φ = 1942635418.

The previous prime is 1942635389. The next prime is 1942635427. The reversal of 1942635419 is 9145362491.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1942635419 is a prime.

It is a super-2 number, since 2×1942635419² = 7547664742306611122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1942635419.

It is not a weakly prime, because it can be changed into another prime (1942635479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971317709 + 971317710.

It is an arithmetic number, because the mean of its divisors is an integer number (971317710).

Almost surely, 2^1942635419 is an apocalyptic number.

1942635419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942635419 is an equidigital number, since it uses as much as digits as its factorization.

1942635419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 44.

The square root of 1942635419 is about 44075.3379907630. The cubic root of 1942635419 is about 1247.7582046062.

It can be divided in two parts, 19426 and 35419, that added together give a palindrome (54845).

The spelling of 1942635419 in words is "one billion, nine hundred forty-two million, six hundred thirty-five thousand, four hundred nineteen".