534105691 has 16 divisors (see below), whose sum is σ = 623723968. Its totient is φ = 447897600.

The previous prime is 534105653. The next prime is 534105703. The reversal of 534105691 is 196501435.

It is a 13-Lehmer number, since φ(534105691) divides (534105691-1)¹³.

It is a cyclic number.

It is not a de Polignac number, because 534105691 - 2⁹ = 534105179 is a prime.

534105691 is a modest number, since divided by 5691 gives 5341 as remainder.

It is not an unprimeable number, because it can be changed into a prime (534105641) 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, 79171 + ... + 85651.

It is an arithmetic number, because the mean of its divisors is an integer number (38982748).

Almost surely, 2^534105691 is an apocalyptic number.

534105691 is a deficient number, since it is larger than the sum of its proper divisors (89618277).

534105691 is a wasteful number, since it uses less digits than its factorization.

534105691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 534105691 is about 23110.7267518787. The cubic root of 534105691 is about 811.3515468685.

The spelling of 534105691 in words is "five hundred thirty-four million, one hundred five thousand, six hundred ninety-one".