42991109034 has 8 divisors (see below), whose sum is σ = 85982218080. Its totient is φ = 14330369676.

The previous prime is 42991109023. The next prime is 42991109047. The reversal of 42991109034 is 43090119924.

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

42991109034 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3582592414 + ... + 3582592425.

It is an arithmetic number, because the mean of its divisors is an integer number (10747777260).

Almost surely, 2^42991109034 is an apocalyptic number.

42991109034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42991109034 is a wasteful number, since it uses less digits than its factorization.

42991109034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7165184844.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 42991109034 in words is "forty-two billion, nine hundred ninety-one million, one hundred nine thousand, thirty-four".