427674493 has 2 divisors, whose sum is σ = 427674494. Its totient is φ = 427674492.

The previous prime is 427674473. The next prime is 427674523. The reversal of 427674493 is 394476724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217946169 + 209728324 = 14763^2 + 14482^2 .

It is a cyclic number.

It is not a de Polignac number, because 427674493 - 2⁵ = 427674461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427674433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213837246 + 213837247.

It is an arithmetic number, because the mean of its divisors is an integer number (213837247).

Almost surely, 2^427674493 is an apocalyptic number.

It is an amenable number.

427674493 is a deficient number, since it is larger than the sum of its proper divisors (1).

427674493 is an equidigital number, since it uses as much as digits as its factorization.

427674493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 46.

The square root of 427674493 is about 20680.2923818789. The cubic root of 427674493 is about 753.4211075622.

The spelling of 427674493 in words is "four hundred twenty-seven million, six hundred seventy-four thousand, four hundred ninety-three".