91369463 has 2 divisors, whose sum is σ = 91369464. Its totient is φ = 91369462.

The previous prime is 91369433. The next prime is 91369477. The reversal of 91369463 is 36496319.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91369463 - 2²² = 87175159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91369463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91369433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45684731 + 45684732.

It is an arithmetic number, because the mean of its divisors is an integer number (45684732).

Almost surely, 2^91369463 is an apocalyptic number.

91369463 is a deficient number, since it is larger than the sum of its proper divisors (1).

91369463 is an equidigital number, since it uses as much as digits as its factorization.

91369463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 41.

The square root of 91369463 is about 9558.7375212420. The cubic root of 91369463 is about 450.4020489161.

The spelling of 91369463 in words is "ninety-one million, three hundred sixty-nine thousand, four hundred sixty-three".