7848834491 has 2 divisors, whose sum is σ = 7848834492. Its totient is φ = 7848834490.

The previous prime is 7848834407. The next prime is 7848834509. The reversal of 7848834491 is 1944388487.

It is a strong prime.

It is an emirp because it is prime and its reverse (1944388487) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7848834491 is a prime.

It is a super-2 number, since 2×7848834491² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7848834691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3924417245 + 3924417246.

It is an arithmetic number, because the mean of its divisors is an integer number (3924417246).

Almost surely, 2^7848834491 is an apocalyptic number.

7848834491 is a deficient number, since it is larger than the sum of its proper divisors (1).

7848834491 is an equidigital number, since it uses as much as digits as its factorization.

7848834491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6193152, while the sum is 56.

The square root of 7848834491 is about 88593.6481413877. The cubic root of 7848834491 is about 1987.3226869017.

The spelling of 7848834491 in words is "seven billion, eight hundred forty-eight million, eight hundred thirty-four thousand, four hundred ninety-one".