42403271493 has 16 divisors (see below), whose sum is σ = 61735233600. Its totient is φ = 25674890880.

The previous prime is 42403271461. The next prime is 42403271497. The reversal of 42403271493 is 39417230424.

It is not a de Polignac number, because 42403271493 - 2⁵ = 42403271461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42403271497) 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, 565728 + ... + 636281.

It is an arithmetic number, because the mean of its divisors is an integer number (3858452100).

Almost surely, 2^42403271493 is an apocalyptic number.

It is an amenable number.

42403271493 is a deficient number, since it is larger than the sum of its proper divisors (19331962107).

42403271493 is a wasteful number, since it uses less digits than its factorization.

42403271493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203092.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 42403271493 in words is "forty-two billion, four hundred three million, two hundred seventy-one thousand, four hundred ninety-three".