42490970771 has 8 divisors (see below), whose sum is σ = 42901684224. Its totient is φ = 42081447240.

The previous prime is 42490970713. The next prime is 42490970783. The reversal of 42490970771 is 17707909424.

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

It is a cyclic number.

It is not a de Polignac number, because 42490970771 - 2¹⁰ = 42490969747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42490970471) 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, 225635 + ... + 368636.

It is an arithmetic number, because the mean of its divisors is an integer number (5362710528).

Almost surely, 2^42490970771 is an apocalyptic number.

42490970771 is a deficient number, since it is larger than the sum of its proper divisors (410713453).

42490970771 is a wasteful number, since it uses less digits than its factorization.

42490970771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594961.

The product of its (nonzero) digits is 889056, while the sum is 50.

The spelling of 42490970771 in words is "forty-two billion, four hundred ninety million, nine hundred seventy thousand, seven hundred seventy-one".