56786429491 has 4 divisors (see below), whose sum is σ = 61948832184. Its totient is φ = 51624026800.

The previous prime is 56786429473. The next prime is 56786429501. The reversal of 56786429491 is 19492468765.

It is a happy number.

56786429491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56786429491 - 2¹¹ = 56786427443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56786429891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2581201330 + ... + 2581201351.

It is an arithmetic number, because the mean of its divisors is an integer number (15487208046).

Almost surely, 2^56786429491 is an apocalyptic number.

56786429491 is a deficient number, since it is larger than the sum of its proper divisors (5162402693).

56786429491 is a wasteful number, since it uses less digits than its factorization.

56786429491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5162402692.

The product of its digits is 26127360, while the sum is 61.

The spelling of 56786429491 in words is "fifty-six billion, seven hundred eighty-six million, four hundred twenty-nine thousand, four hundred ninety-one".