1213631403059 has 2 divisors, whose sum is σ = 1213631403060. Its totient is φ = 1213631403058.

The previous prime is 1213631402969. The next prime is 1213631403077. The reversal of 1213631403059 is 9503041363121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213631403059 - 2³² = 1209336435763 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213631403559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606815701529 + 606815701530.

It is an arithmetic number, because the mean of its divisors is an integer number (606815701530).

Almost surely, 2^{1213631403059} is an apocalyptic number.

1213631403059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213631403059 is an equidigital number, since it uses as much as digits as its factorization.

1213631403059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 1213631403059 in words is "one trillion, two hundred thirteen billion, six hundred thirty-one million, four hundred three thousand, fifty-nine".