42769649193 has 16 divisors (see below), whose sum is σ = 59051490816. Its totient is φ = 27506257920.

The previous prime is 42769649177. The next prime is 42769649201. The reversal of 42769649193 is 39194696724.

It is not a de Polignac number, because 42769649193 - 2⁴ = 42769649177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42769649693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695896 + ... + 754857.

It is an arithmetic number, because the mean of its divisors is an integer number (3690718176).

Almost surely, 2^42769649193 is an apocalyptic number.

It is an amenable number.

42769649193 is a deficient number, since it is larger than the sum of its proper divisors (16281841623).

42769649193 is a wasteful number, since it uses less digits than its factorization.

42769649193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451104.

The product of its digits is 17635968, while the sum is 60.

The spelling of 42769649193 in words is "forty-two billion, seven hundred sixty-nine million, six hundred forty-nine thousand, one hundred ninety-three".