42251539834 has 16 divisors (see below), whose sum is σ = 73618609536. Its totient is φ = 17810953200.

The previous prime is 42251539829. The next prime is 42251539877. The reversal of 42251539834 is 43893515224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24736582 + ... + 24738289.

It is an arithmetic number, because the mean of its divisors is an integer number (4601163096).

Almost surely, 2^42251539834 is an apocalyptic number.

42251539834 is a deficient number, since it is larger than the sum of its proper divisors (31367069702).

42251539834 is a wasteful number, since it uses less digits than its factorization.

42251539834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49474941.

The product of its digits is 1036800, while the sum is 46.

The spelling of 42251539834 in words is "forty-two billion, two hundred fifty-one million, five hundred thirty-nine thousand, eight hundred thirty-four".