42731664254 has 8 divisors (see below), whose sum is σ = 64521983568. Its totient is φ = 21224336400.

The previous prime is 42731664247. The next prime is 42731664289. The reversal of 42731664254 is 45246613724.

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

It is a congruent 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, 70747487 + ... + 70748090.

It is an arithmetic number, because the mean of its divisors is an integer number (8065247946).

Almost surely, 2^42731664254 is an apocalyptic number.

42731664254 is a deficient number, since it is larger than the sum of its proper divisors (21790319314).

42731664254 is a wasteful number, since it uses less digits than its factorization.

42731664254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141495730.

The product of its digits is 967680, while the sum is 44.

The spelling of 42731664254 in words is "forty-two billion, seven hundred thirty-one million, six hundred sixty-four thousand, two hundred fifty-four".