43148617427 has 2 divisors, whose sum is σ = 43148617428. Its totient is φ = 43148617426.

The previous prime is 43148617399. The next prime is 43148617453. The reversal of 43148617427 is 72471684134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43148617427 - 2¹⁰ = 43148616403 is a prime.

It is a super-3 number, since 3×43148617427³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (43148617327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21574308713 + 21574308714.

It is an arithmetic number, because the mean of its divisors is an integer number (21574308714).

Almost surely, 2^43148617427 is an apocalyptic number.

43148617427 is a deficient number, since it is larger than the sum of its proper divisors (1).

43148617427 is an equidigital number, since it uses as much as digits as its factorization.

43148617427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 47.

The spelling of 43148617427 in words is "forty-three billion, one hundred forty-eight million, six hundred seventeen thousand, four hundred twenty-seven".