42373954071 has 12 divisors (see below), whose sum is σ = 64428234520. Its totient is φ = 26762497200.

The previous prime is 42373954019. The next prime is 42373954079. The reversal of 42373954071 is 17045937324.

42373954071 is a `hidden beast` number, since 4 + 2 + 3 + 7 + 39 + 540 + 71 = 666.

It is not a de Polignac number, because 42373954071 - 2³¹ = 40226470423 is a prime.

It is a super-2 number, since 2×42373954071² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42373954079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123900280 + ... + 123900621.

Almost surely, 2^42373954071 is an apocalyptic number.

42373954071 is a deficient number, since it is larger than the sum of its proper divisors (22054280449).

42373954071 is a wasteful number, since it uses less digits than its factorization.

42373954071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247800926 (or 247800923 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 42373954071 in words is "forty-two billion, three hundred seventy-three million, nine hundred fifty-four thousand, seventy-one".