42774513591 has 8 divisors (see below), whose sum is σ = 60034405120. Its totient is φ = 27015482232.

The previous prime is 42774513451. The next prime is 42774513611. The reversal of 42774513591 is 19531547724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42774513591 - 2⁹ = 42774513079 is a prime.

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 42774513591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42774513791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375214975 + ... + 375215088.

It is an arithmetic number, because the mean of its divisors is an integer number (7504300640).

Almost surely, 2^42774513591 is an apocalyptic number.

42774513591 is a deficient number, since it is larger than the sum of its proper divisors (17259891529).

42774513591 is a wasteful number, since it uses less digits than its factorization.

42774513591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750430085.

The product of its digits is 1058400, while the sum is 48.

The spelling of 42774513591 in words is "forty-two billion, seven hundred seventy-four million, five hundred thirteen thousand, five hundred ninety-one".