42019953 has 8 divisors (see below), whose sum is σ = 56454816. Its totient is φ = 27799200.

The previous prime is 42019931. The next prime is 42019969. The reversal of 42019953 is 35991024.

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

It is not a de Polignac number, because 42019953 - 2⁶ = 42019889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42019553) 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, 53068 + ... + 53853.

It is an arithmetic number, because the mean of its divisors is an integer number (7056852).

Almost surely, 2^42019953 is an apocalyptic number.

It is an amenable number.

42019953 is a deficient number, since it is larger than the sum of its proper divisors (14434863).

42019953 is a wasteful number, since it uses less digits than its factorization.

42019953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107055.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 42019953 is about 6482.2799229901. The cubic root of 42019953 is about 347.6577011389.

The spelling of 42019953 in words is "forty-two million, nineteen thousand, nine hundred fifty-three".