42762762769 has 8 divisors (see below), whose sum is σ = 42839077320. Its totient is φ = 42686515200.

The previous prime is 42762762701. The next prime is 42762762787. The reversal of 42762762769 is 96726726724.

It can be written as a sum of positive squares in 4 ways, for example, as 211324369 + 42551438400 = 14537^2 + 206280^2 .

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 42762762769 - 2⁹ = 42762762257 is a prime.

It is a super-2 number, since 2×42762762769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42762766769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360309 + ... + 1391389.

It is an arithmetic number, because the mean of its divisors is an integer number (5354884665).

Almost surely, 2^42762762769 is an apocalyptic number.

It is an amenable number.

42762762769 is a deficient number, since it is larger than the sum of its proper divisors (76314551).

42762762769 is a wasteful number, since it uses less digits than its factorization.

42762762769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33491.

The product of its digits is 21337344, while the sum is 58.

The spelling of 42762762769 in words is "forty-two billion, seven hundred sixty-two million, seven hundred sixty-two thousand, seven hundred sixty-nine".