60421939 has 2 divisors, whose sum is σ = 60421940. Its totient is φ = 60421938.

The previous prime is 60421909. The next prime is 60421967. The reversal of 60421939 is 93912406.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60421939 - 2⁷ = 60421811 is a prime.

It is not a weakly prime, because it can be changed into another prime (60421909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30210969 + 30210970.

It is an arithmetic number, because the mean of its divisors is an integer number (30210970).

Almost surely, 2^60421939 is an apocalyptic number.

60421939 is a deficient number, since it is larger than the sum of its proper divisors (1).

60421939 is an equidigital number, since it uses as much as digits as its factorization.

60421939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 60421939 is about 7773.1550222545. The cubic root of 60421939 is about 392.4023076270.

The spelling of 60421939 in words is "sixty million, four hundred twenty-one thousand, nine hundred thirty-nine".