42769641723 has 8 divisors (see below), whose sum is σ = 57029081088. Its totient is φ = 28511648424.

The previous prime is 42769641683. The next prime is 42769641727. The reversal of 42769641723 is 32714696724.

It is a happy number.

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

It is not a de Polignac number, because 42769641723 - 2¹² = 42769637627 is a prime.

It is a super-2 number, since 2×42769641723² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42769641727) 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, 290511 + ... + 412232.

It is an arithmetic number, because the mean of its divisors is an integer number (7128635136).

Almost surely, 2^42769641723 is an apocalyptic number.

42769641723 is a deficient number, since it is larger than the sum of its proper divisors (14259439365).

42769641723 is a wasteful number, since it uses less digits than its factorization.

42769641723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723033.

The product of its digits is 3048192, while the sum is 51.

The spelling of 42769641723 in words is "forty-two billion, seven hundred sixty-nine million, six hundred forty-one thousand, seven hundred twenty-three".