42757106479 has 2 divisors, whose sum is σ = 42757106480. Its totient is φ = 42757106478.

The previous prime is 42757106461. The next prime is 42757106591. The reversal of 42757106479 is 97460175724.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42757106479 - 2⁹ = 42757105967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42757101479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21378553239 + 21378553240.

It is an arithmetic number, because the mean of its divisors is an integer number (21378553240).

Almost surely, 2^42757106479 is an apocalyptic number.

42757106479 is a deficient number, since it is larger than the sum of its proper divisors (1).

42757106479 is an equidigital number, since it uses as much as digits as its factorization.

42757106479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 42757106479 in words is "forty-two billion, seven hundred fifty-seven million, one hundred six thousand, four hundred seventy-nine".