42101493 has 8 divisors (see below), whose sum is σ = 64154688. Its totient is φ = 24057984.

The previous prime is 42101471. The next prime is 42101513. The reversal of 42101493 is 39410124.

42101493 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 42101493 - 2¹² = 42097397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42101693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002396 + ... + 1002437.

It is an arithmetic number, because the mean of its divisors is an integer number (8019336).

Almost surely, 2^42101493 is an apocalyptic number.

It is an amenable number.

42101493 is a deficient number, since it is larger than the sum of its proper divisors (22053195).

42101493 is a wasteful number, since it uses less digits than its factorization.

42101493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004843.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 42101493 is about 6488.5663285506. The cubic root of 42101493 is about 347.8824332021.

The spelling of 42101493 in words is "forty-two million, one hundred one thousand, four hundred ninety-three".