1202489859427 has 2 divisors, whose sum is σ = 1202489859428. Its totient is φ = 1202489859426.

The previous prime is 1202489859413. The next prime is 1202489859433. The reversal of 1202489859427 is 7249589842021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202489859427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202489859407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601244929713 + 601244929714.

It is an arithmetic number, because the mean of its divisors is an integer number (601244929714).

Almost surely, 2^{1202489859427} is an apocalyptic number.

1202489859427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202489859427 is an equidigital number, since it uses as much as digits as its factorization.

1202489859427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 1202489859427 in words is "one trillion, two hundred two billion, four hundred eighty-nine million, eight hundred fifty-nine thousand, four hundred twenty-seven".