1000019234639 has 2 divisors, whose sum is σ = 1000019234640. Its totient is φ = 1000019234638.

The previous prime is 1000019234593. The next prime is 1000019234689. The reversal of 1000019234639 is 9364329100001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000019234639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000019234689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500009617319 + 500009617320.

It is an arithmetic number, because the mean of its divisors is an integer number (500009617320).

Almost surely, 2^{1000019234639} is an apocalyptic number.

1000019234639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000019234639 is an equidigital number, since it uses as much as digits as its factorization.

1000019234639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 1000019234639 in words is "one trillion, nineteen million, two hundred thirty-four thousand, six hundred thirty-nine".