42416629 has 2 divisors, whose sum is σ = 42416630. Its totient is φ = 42416628.

The previous prime is 42416617. The next prime is 42416639. The reversal of 42416629 is 92661424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42276004 + 140625 = 6502^2 + 375^2 .

It is a cyclic number.

It is not a de Polignac number, because 42416629 - 2⁷ = 42416501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42416594 and 42416603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42416609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21208314 + 21208315.

It is an arithmetic number, because the mean of its divisors is an integer number (21208315).

Almost surely, 2^42416629 is an apocalyptic number.

It is an amenable number.

42416629 is a deficient number, since it is larger than the sum of its proper divisors (1).

42416629 is an equidigital number, since it uses as much as digits as its factorization.

42416629 is an odious number, because the sum of its binary digits is odd.

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

The square root of 42416629 is about 6512.8050024548. The cubic root of 42416629 is about 348.7482605909.

The spelling of 42416629 in words is "forty-two million, four hundred sixteen thousand, six hundred twenty-nine".