91683434351 has 2 divisors, whose sum is σ = 91683434352. Its totient is φ = 91683434350.

The previous prime is 91683434299. The next prime is 91683434369. The reversal of 91683434351 is 15343438619.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91683434351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91683434296 and 91683434305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91683434951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45841717175 + 45841717176.

It is an arithmetic number, because the mean of its divisors is an integer number (45841717176).

Almost surely, 2^91683434351 is an apocalyptic number.

91683434351 is a deficient number, since it is larger than the sum of its proper divisors (1).

91683434351 is an equidigital number, since it uses as much as digits as its factorization.

91683434351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 47.

The spelling of 91683434351 in words is "ninety-one billion, six hundred eighty-three million, four hundred thirty-four thousand, three hundred fifty-one".