101047418947 has 2 divisors, whose sum is σ = 101047418948. Its totient is φ = 101047418946.

The previous prime is 101047418921. The next prime is 101047418981. The reversal of 101047418947 is 749814740101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101047418947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101047418897 and 101047418906.

It is not a weakly prime, because it can be changed into another prime (101047478947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50523709473 + 50523709474.

It is an arithmetic number, because the mean of its divisors is an integer number (50523709474).

Almost surely, 2^101047418947 is an apocalyptic number.

101047418947 is a deficient number, since it is larger than the sum of its proper divisors (1).

101047418947 is an equidigital number, since it uses as much as digits as its factorization.

101047418947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 101047418947 in words is "one hundred one billion, forty-seven million, four hundred eighteen thousand, nine hundred forty-seven".