42698893 has 2 divisors, whose sum is σ = 42698894. Its totient is φ = 42698892.

The previous prime is 42698869. The next prime is 42698923. The reversal of 42698893 is 39889624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42536484 + 162409 = 6522^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 42698893 - 2¹⁷ = 42567821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42698863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21349446 + 21349447.

It is an arithmetic number, because the mean of its divisors is an integer number (21349447).

Almost surely, 2^42698893 is an apocalyptic number.

It is an amenable number.

42698893 is a deficient number, since it is larger than the sum of its proper divisors (1).

42698893 is an equidigital number, since it uses as much as digits as its factorization.

42698893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 49.

The square root of 42698893 is about 6534.4389965781. The cubic root of 42698893 is about 349.5201396769.

The spelling of 42698893 in words is "forty-two million, six hundred ninety-eight thousand, eight hundred ninety-three".