42498705577 has 8 divisors (see below), whose sum is σ = 43099134464. Its totient is φ = 41898770208.

The previous prime is 42498705547. The next prime is 42498705581. The reversal of 42498705577 is 77550789424.

42498705577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-42498705577 is a prime.

It is a super-2 number, since 2×42498705577² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42498705517) 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, 51808 + ... + 296110.

It is an arithmetic number, because the mean of its divisors is an integer number (5387391808).

Almost surely, 2^42498705577 is an apocalyptic number.

It is an amenable number.

42498705577 is a deficient number, since it is larger than the sum of its proper divisors (600428887).

42498705577 is a wasteful number, since it uses less digits than its factorization.

42498705577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246759.

The product of its (nonzero) digits is 19756800, while the sum is 58.

The spelling of 42498705577 in words is "forty-two billion, four hundred ninety-eight million, seven hundred five thousand, five hundred seventy-seven".