42790768749 has 32 divisors (see below), whose sum is σ = 65954119680. Its totient is φ = 27389502000.

The previous prime is 42790768733. The next prime is 42790768759. The reversal of 42790768749 is 94786709724.

42790768749 is a `hidden beast` number, since 427 + 90 + 7 + 6 + 87 + 49 = 666.

It is not a de Polignac number, because 42790768749 - 2⁴ = 42790768733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42790768729) 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 31 ways as a sum of consecutive naturals, for example, 94977 + ... + 307574.

It is an arithmetic number, because the mean of its divisors is an integer number (2061066240).

Almost surely, 2^42790768749 is an apocalyptic number.

It is an amenable number.

42790768749 is a deficient number, since it is larger than the sum of its proper divisors (23163350931).

42790768749 is a wasteful number, since it uses less digits than its factorization.

42790768749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402718 (or 402712 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 42790768749 in words is "forty-two billion, seven hundred ninety million, seven hundred sixty-eight thousand, seven hundred forty-nine".