42913863 has 6 divisors (see below), whose sum is σ = 61986704. Its totient is φ = 28609236.

The previous prime is 42913841. The next prime is 42913873. The reversal of 42913863 is 36831924.

It is not a de Polignac number, because 42913863 - 2¹² = 42909767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42913873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2384095 + ... + 2384112.

Almost surely, 2^42913863 is an apocalyptic number.

42913863 is a deficient number, since it is larger than the sum of its proper divisors (19072841).

42913863 is a wasteful number, since it uses less digits than its factorization.

42913863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4768213 (or 4768210 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 42913863 is about 6550.8673471534. The cubic root of 42913863 is about 350.1057177245.

It can be divided in two parts, 429138 and 63, that added together give a triangular number (429201 = T₉₂₆).

The spelling of 42913863 in words is "forty-two million, nine hundred thirteen thousand, eight hundred sixty-three".