4287961427 has 2 divisors, whose sum is σ = 4287961428. Its totient is φ = 4287961426.

The previous prime is 4287961421. The next prime is 4287961451. The reversal of 4287961427 is 7241697824.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4287961427 - 2²² = 4283767123 is a prime.

It is a super-2 number, since 2×4287961427² = 36773226398879752658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4287961421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2143980713 + 2143980714.

It is an arithmetic number, because the mean of its divisors is an integer number (2143980714).

Almost surely, 2^4287961427 is an apocalyptic number.

4287961427 is a deficient number, since it is larger than the sum of its proper divisors (1).

4287961427 is an equidigital number, since it uses as much as digits as its factorization.

4287961427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 50.

The square root of 4287961427 is about 65482.5276466937. The cubic root of 4287961427 is about 1624.6143687055.

The spelling of 4287961427 in words is "four billion, two hundred eighty-seven million, nine hundred sixty-one thousand, four hundred twenty-seven".