42819471 has 24 divisors (see below), whose sum is σ = 64022400. Its totient is φ = 27556416.

The previous prime is 42819433. The next prime is 42819509. The reversal of 42819471 is 17491824.

It is an interprime number because it is at equal distance from previous prime (42819433) and next prime (42819509).

It is not a de Polignac number, because 42819471 - 2¹⁴ = 42803087 is a prime.

It is a super-3 number, since 3×42819471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42819571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49186 + ... + 50048.

It is an arithmetic number, because the mean of its divisors is an integer number (2667600).

Almost surely, 2^42819471 is an apocalyptic number.

42819471 is a deficient number, since it is larger than the sum of its proper divisors (21202929).

42819471 is a wasteful number, since it uses less digits than its factorization.

42819471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1052 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 42819471 is about 6543.6588389066. The cubic root of 42819471 is about 349.8488354019.

The spelling of 42819471 in words is "forty-two million, eight hundred nineteen thousand, four hundred seventy-one".