42693901 has 2 divisors, whose sum is σ = 42693902. Its totient is φ = 42693900.

The previous prime is 42693881. The next prime is 42693929. The reversal of 42693901 is 10939624.

42693901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30791401 + 11902500 = 5549^2 + 3450^2 .

It is a cyclic number.

It is not a de Polignac number, because 42693901 - 2⁵ = 42693869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42693401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21346950 + 21346951.

It is an arithmetic number, because the mean of its divisors is an integer number (21346951).

Almost surely, 2^42693901 is an apocalyptic number.

It is an amenable number.

42693901 is a deficient number, since it is larger than the sum of its proper divisors (1).

42693901 is an equidigital number, since it uses as much as digits as its factorization.

42693901 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 42693901 is about 6534.0570092401. The cubic root of 42693901 is about 349.5065181486.

The spelling of 42693901 in words is "forty-two million, six hundred ninety-three thousand, nine hundred one".