42234642247 has 16 divisors (see below), whose sum is σ = 48496698432. Its totient is φ = 36029859840.

The previous prime is 42234642209. The next prime is 42234642253. The reversal of 42234642247 is 74224643224.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42234642247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42234642547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5086203 + ... + 5094499.

It is an arithmetic number, because the mean of its divisors is an integer number (3031043652).

Almost surely, 2^42234642247 is an apocalyptic number.

42234642247 is a deficient number, since it is larger than the sum of its proper divisors (6262056185).

42234642247 is a wasteful number, since it uses less digits than its factorization.

42234642247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11658.

The product of its digits is 516096, while the sum is 40.

The spelling of 42234642247 in words is "forty-two billion, two hundred thirty-four million, six hundred forty-two thousand, two hundred forty-seven".