42995249671 has 8 divisors (see below), whose sum is σ = 47273232384. Its totient is φ = 38778820920.

The previous prime is 42995249653. The next prime is 42995249681. The reversal of 42995249671 is 17694259924.

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 42995249671 - 2⁵ = 42995249639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42995249651) 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, 15387025 + ... + 15389818.

It is an arithmetic number, because the mean of its divisors is an integer number (5909154048).

Almost surely, 2^42995249671 is an apocalyptic number.

42995249671 is a deficient number, since it is larger than the sum of its proper divisors (4277982713).

42995249671 is a wasteful number, since it uses less digits than its factorization.

42995249671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30776981.

The product of its digits is 9797760, while the sum is 58.

The spelling of 42995249671 in words is "forty-two billion, nine hundred ninety-five million, two hundred forty-nine thousand, six hundred seventy-one".