427403099 has 2 divisors, whose sum is σ = 427403100. Its totient is φ = 427403098.

The previous prime is 427403063. The next prime is 427403111. The reversal of 427403099 is 990304724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427403099 - 2¹² = 427399003 is a prime.

It is not a weakly prime, because it can be changed into another prime (427403029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213701549 + 213701550.

It is an arithmetic number, because the mean of its divisors is an integer number (213701550).

Almost surely, 2^427403099 is an apocalyptic number.

427403099 is a deficient number, since it is larger than the sum of its proper divisors (1).

427403099 is an equidigital number, since it uses as much as digits as its factorization.

427403099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 427403099 is about 20673.7296828608. The cubic root of 427403099 is about 753.2617049960.

The spelling of 427403099 in words is "four hundred twenty-seven million, four hundred three thousand, ninety-nine".