58405768691 has 4 divisors (see below), whose sum is σ = 58406858352. Its totient is φ = 58404679032.

The previous prime is 58405768669. The next prime is 58405768781. The reversal of 58405768691 is 19686750485.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 58405768691 - 2¹⁸ = 58405506547 is a prime.

It is a super-2 number, since 2×58405768691² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 58405768691.

It is not an unprimeable number, because it can be changed into a prime (58405768621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460031 + ... + 573096.

It is an arithmetic number, because the mean of its divisors is an integer number (14601714588).

Almost surely, 2^58405768691 is an apocalyptic number.

58405768691 is a deficient number, since it is larger than the sum of its proper divisors (1089661).

58405768691 is a wasteful number, since it uses less digits than its factorization.

58405768691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089660.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 58405768691 in words is "fifty-eight billion, four hundred five million, seven hundred sixty-eight thousand, six hundred ninety-one".