91267604029 has 16 divisors (see below), whose sum is σ = 108715909120. Its totient is φ = 74970820080.

The previous prime is 91267604027. The next prime is 91267604053. The reversal of 91267604029 is 92040676219.

It is a cyclic number.

It is not a de Polignac number, because 91267604029 - 2¹ = 91267604027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91267604029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91267604027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2019339 + ... + 2064040.

It is an arithmetic number, because the mean of its divisors is an integer number (6794744320).

Almost surely, 2^91267604029 is an apocalyptic number.

It is an amenable number.

91267604029 is a deficient number, since it is larger than the sum of its proper divisors (17448305091).

91267604029 is a wasteful number, since it uses less digits than its factorization.

91267604029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083520.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 91267604029 in words is "ninety-one billion, two hundred sixty-seven million, six hundred four thousand, twenty-nine".