1013926389947 has 2 divisors, whose sum is σ = 1013926389948. Its totient is φ = 1013926389946.

The previous prime is 1013926389919. The next prime is 1013926389961. The reversal of 1013926389947 is 7499836293101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013926389947 - 2¹² = 1013926385851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1013926389947.

It is not a weakly prime, because it can be changed into another prime (1013926389547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506963194973 + 506963194974.

It is an arithmetic number, because the mean of its divisors is an integer number (506963194974).

Almost surely, 2^{1013926389947} is an apocalyptic number.

1013926389947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013926389947 is an equidigital number, since it uses as much as digits as its factorization.

1013926389947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17635968, while the sum is 62.

The spelling of 1013926389947 in words is "one trillion, thirteen billion, nine hundred twenty-six million, three hundred eighty-nine thousand, nine hundred forty-seven".