42729676739 has 8 divisors (see below), whose sum is σ = 44122431360. Its totient is φ = 41337820800.

The previous prime is 42729676727. The next prime is 42729676751. The reversal of 42729676739 is 93767692724.

It is an interprime number because it is at equal distance from previous prime (42729676727) and next prime (42729676751).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42729676739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42729676709) 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, 127352 + ... + 318869.

It is an arithmetic number, because the mean of its divisors is an integer number (5515303920).

Almost surely, 2^42729676739 is an apocalyptic number.

42729676739 is a deficient number, since it is larger than the sum of its proper divisors (1392754621).

42729676739 is a wasteful number, since it uses less digits than its factorization.

42729676739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449341.

The product of its digits is 48009024, while the sum is 62.

The spelling of 42729676739 in words is "forty-two billion, seven hundred twenty-nine million, six hundred seventy-six thousand, seven hundred thirty-nine".