1543426032427 has 2 divisors, whose sum is σ = 1543426032428. Its totient is φ = 1543426032426.

The previous prime is 1543426032419. The next prime is 1543426032439. The reversal of 1543426032427 is 7242306243451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1543426032427 - 2³ = 1543426032419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1543426032487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771713016213 + 771713016214.

It is an arithmetic number, because the mean of its divisors is an integer number (771713016214).

Almost surely, 2^{1543426032427} is an apocalyptic number.

1543426032427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1543426032427 is an equidigital number, since it uses as much as digits as its factorization.

1543426032427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 1543426032427 in words is "one trillion, five hundred forty-three billion, four hundred twenty-six million, thirty-two thousand, four hundred twenty-seven".