91348513451347 has 2 divisors, whose sum is σ = 91348513451348. Its totient is φ = 91348513451346.

The previous prime is 91348513451249. The next prime is 91348513451423. The reversal of 91348513451347 is 74315431584319.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91348513451347 - 2⁷ = 91348513451219 is a prime.

It is a super-2 number, since 2×91348513451347² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 91348513451291 and 91348513451300.

It is not a weakly prime, because it can be changed into another prime (91348513451047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45674256725673 + 45674256725674.

It is an arithmetic number, because the mean of its divisors is an integer number (45674256725674).

Almost surely, 2^{91348513451347} is an apocalyptic number.

91348513451347 is a deficient number, since it is larger than the sum of its proper divisors (1).

91348513451347 is an equidigital number, since it uses as much as digits as its factorization.

91348513451347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21772800, while the sum is 58.

The spelling of 91348513451347 in words is "ninety-one trillion, three hundred forty-eight billion, five hundred thirteen million, four hundred fifty-one thousand, three hundred forty-seven".