42698459 has 2 divisors, whose sum is σ = 42698460. Its totient is φ = 42698458.

The previous prime is 42698431. The next prime is 42698471. The reversal of 42698459 is 95489624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42698459 - 2¹² = 42694363 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42694459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21349229 + 21349230.

It is an arithmetic number, because the mean of its divisors is an integer number (21349230).

Almost surely, 2^42698459 is an apocalyptic number.

42698459 is a deficient number, since it is larger than the sum of its proper divisors (1).

42698459 is an equidigital number, since it uses as much as digits as its factorization.

42698459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 42698459 is about 6534.4057878280. The cubic root of 42698459 is about 349.5189554756.

The spelling of 42698459 in words is "forty-two million, six hundred ninety-eight thousand, four hundred fifty-nine".