42547975398994 has 16 divisors (see below), whose sum is σ = 68731838804160. Its totient is φ = 19637385984720.

The previous prime is 42547975398991. The next prime is 42547975399009. The reversal of 42547975398994 is 49989357974524.

It is not an unprimeable number, because it can be changed into a prime (42547975398991) 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, 2147872 + ... + 9471499.

It is an arithmetic number, because the mean of its divisors is an integer number (4295739925260).

Almost surely, 2^{42547975398994} is an apocalyptic number.

42547975398994 is a deficient number, since it is larger than the sum of its proper divisors (26183863405166).

42547975398994 is a wasteful number, since it uses less digits than its factorization.

42547975398994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11760225.

The product of its digits is 24690355200, while the sum is 85.

The spelling of 42547975398994 in words is "forty-two trillion, five hundred forty-seven billion, nine hundred seventy-five million, three hundred ninety-eight thousand, nine hundred ninety-four".