42493728903 has 8 divisors (see below), whose sum is σ = 56668297728. Its totient is φ = 28324156344.

The previous prime is 42493728899. The next prime is 42493728967. The reversal of 42493728903 is 30982739424.

42493728903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42493728903 - 2² = 42493728899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42493728973) 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, 1229175 + ... + 1263272.

It is an arithmetic number, because the mean of its divisors is an integer number (7083537216).

Almost surely, 2^42493728903 is an apocalyptic number.

42493728903 is a deficient number, since it is larger than the sum of its proper divisors (14174568825).

42493728903 is a wasteful number, since it uses less digits than its factorization.

42493728903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498133.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 42493728903 in words is "forty-two billion, four hundred ninety-three million, seven hundred twenty-eight thousand, nine hundred three".