9464897791 has 2 divisors, whose sum is σ = 9464897792. Its totient is φ = 9464897790.

The previous prime is 9464897719. The next prime is 9464897797. The reversal of 9464897791 is 1977984649.

Together with previous prime (9464897719) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9464897791 - 2²¹ = 9462800639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9464897797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4732448895 + 4732448896.

It is an arithmetic number, because the mean of its divisors is an integer number (4732448896).

Almost surely, 2^9464897791 is an apocalyptic number.

9464897791 is a deficient number, since it is larger than the sum of its proper divisors (1).

9464897791 is an equidigital number, since it uses as much as digits as its factorization.

9464897791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 64.

The square root of 9464897791 is about 97287.7062685723. The cubic root of 9464897791 is about 2115.3000329589.

The spelling of 9464897791 in words is "nine billion, four hundred sixty-four million, eight hundred ninety-seven thousand, seven hundred ninety-one".