42616429 has 2 divisors, whose sum is σ = 42616430. Its totient is φ = 42616428.

The previous prime is 42616423. The next prime is 42616459. The reversal of 42616429 is 92461624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42575625 + 40804 = 6525^2 + 202^2 .

It is a cyclic number.

It is not a de Polignac number, because 42616429 - 2³ = 42616421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42616394 and 42616403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42616421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21308214 + 21308215.

It is an arithmetic number, because the mean of its divisors is an integer number (21308215).

Almost surely, 2^42616429 is an apocalyptic number.

It is an amenable number.

42616429 is a deficient number, since it is larger than the sum of its proper divisors (1).

42616429 is an equidigital number, since it uses as much as digits as its factorization.

42616429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 42616429 is about 6528.1259944949. The cubic root of 42616429 is about 349.2949862690.

The spelling of 42616429 in words is "forty-two million, six hundred sixteen thousand, four hundred twenty-nine".