7834495919 has 2 divisors, whose sum is σ = 7834495920. Its totient is φ = 7834495918.

The previous prime is 7834495913. The next prime is 7834495943. The reversal of 7834495919 is 9195944387.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7834495919 is a prime.

It is a super-2 number, since 2×7834495919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7834495913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3917247959 + 3917247960.

It is an arithmetic number, because the mean of its divisors is an integer number (3917247960).

Almost surely, 2^7834495919 is an apocalyptic number.

7834495919 is a deficient number, since it is larger than the sum of its proper divisors (1).

7834495919 is an equidigital number, since it uses as much as digits as its factorization.

7834495919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 59.

The square root of 7834495919 is about 88512.6878984025. The cubic root of 7834495919 is about 1986.1117750877. Note that the first 3 decimals are identical.

The spelling of 7834495919 in words is "seven billion, eight hundred thirty-four million, four hundred ninety-five thousand, nine hundred nineteen".