427546369 has 2 divisors, whose sum is σ = 427546370. Its totient is φ = 427546368.

The previous prime is 427546351. The next prime is 427546373. The reversal of 427546369 is 963645724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368179344 + 59367025 = 19188^2 + 7705^2 .

It is a cyclic number.

It is not a de Polignac number, because 427546369 - 2⁵ = 427546337 is a prime.

It is a super-2 number, since 2×427546369² = 365591795290168322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (427546969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213773184 + 213773185.

It is an arithmetic number, because the mean of its divisors is an integer number (213773185).

Almost surely, 2^427546369 is an apocalyptic number.

It is an amenable number.

427546369 is a deficient number, since it is larger than the sum of its proper divisors (1).

427546369 is an equidigital number, since it uses as much as digits as its factorization.

427546369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 46.

The square root of 427546369 is about 20677.1944180056. The cubic root of 427546369 is about 753.3458626670.

The spelling of 427546369 in words is "four hundred twenty-seven million, five hundred forty-six thousand, three hundred sixty-nine".