103207217647 has 2 divisors, whose sum is σ = 103207217648. Its totient is φ = 103207217646.

The previous prime is 103207217627. The next prime is 103207217653. The reversal of 103207217647 is 746712702301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103207217647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103207217627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51603608823 + 51603608824.

It is an arithmetic number, because the mean of its divisors is an integer number (51603608824).

Almost surely, 2^103207217647 is an apocalyptic number.

103207217647 is a deficient number, since it is larger than the sum of its proper divisors (1).

103207217647 is an equidigital number, since it uses as much as digits as its factorization.

103207217647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 40.

Adding to 103207217647 its reverse (746712702301), we get a palindrome (849919919948).

The spelling of 103207217647 in words is "one hundred three billion, two hundred seven million, two hundred seventeen thousand, six hundred forty-seven".