91598254993043 has 2 divisors, whose sum is σ = 91598254993044. Its totient is φ = 91598254993042.

The previous prime is 91598254992973. The next prime is 91598254993117. The reversal of 91598254993043 is 34039945289519.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91598254993043 - 2⁸ = 91598254992787 is a prime.

It is not a weakly prime, because it can be changed into another prime (91598254983043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45799127496521 + 45799127496522.

It is an arithmetic number, because the mean of its divisors is an integer number (45799127496522).

Almost surely, 2^{91598254993043} is an apocalyptic number.

91598254993043 is a deficient number, since it is larger than the sum of its proper divisors (1).

91598254993043 is an equidigital number, since it uses as much as digits as its factorization.

91598254993043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 377913600, while the sum is 71.

The spelling of 91598254993043 in words is "ninety-one trillion, five hundred ninety-eight billion, two hundred fifty-four million, nine hundred ninety-three thousand, forty-three".