1468247791 has 2 divisors, whose sum is σ = 1468247792. Its totient is φ = 1468247790.

The previous prime is 1468247777. The next prime is 1468247797. The reversal of 1468247791 is 1977428641.

It is a strong prime.

It is an emirp because it is prime and its reverse (1977428641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1468247791 - 2⁷ = 1468247663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1468247797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734123895 + 734123896.

It is an arithmetic number, because the mean of its divisors is an integer number (734123896).

Almost surely, 2^1468247791 is an apocalyptic number.

1468247791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1468247791 is an equidigital number, since it uses as much as digits as its factorization.

1468247791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 49.

The square root of 1468247791 is about 38317.7216311200. The cubic root of 1468247791 is about 1136.5794130509.

The spelling of 1468247791 in words is "one billion, four hundred sixty-eight million, two hundred forty-seven thousand, seven hundred ninety-one".