42718773551 has 8 divisors (see below), whose sum is σ = 43263662400. Its totient is φ = 42173988480.

The previous prime is 42718773547. The next prime is 42718773569. The reversal of 42718773551 is 15537781724.

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

It is a cyclic number.

It is not a de Polignac number, because 42718773551 - 2² = 42718773547 is a prime.

It is a super-2 number, since 2×42718773551² (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 42718773551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42718773541) 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 7 ways as a sum of consecutive naturals, for example, 1125971 + ... + 1163291.

It is an arithmetic number, because the mean of its divisors is an integer number (5407957800).

Almost surely, 2^42718773551 is an apocalyptic number.

42718773551 is a deficient number, since it is larger than the sum of its proper divisors (544888849).

42718773551 is a wasteful number, since it uses less digits than its factorization.

42718773551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51889.

The product of its digits is 1646400, while the sum is 50.

The spelling of 42718773551 in words is "forty-two billion, seven hundred eighteen million, seven hundred seventy-three thousand, five hundred fifty-one".