102897206543 has 2 divisors, whose sum is σ = 102897206544. Its totient is φ = 102897206542.

The previous prime is 102897206449. The next prime is 102897206551. The reversal of 102897206543 is 345602798201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102897206543 - 2⁸ = 102897206287 is a prime.

It is a super-2 number, since 2×102897206543² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102897206563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51448603271 + 51448603272.

It is an arithmetic number, because the mean of its divisors is an integer number (51448603272).

It is a 2-persistent number, because it is pandigital, and so is 2⋅102897206543 = 205794413086, but 3⋅102897206543 = 308691619629 is not.

Almost surely, 2^102897206543 is an apocalyptic number.

102897206543 is a deficient number, since it is larger than the sum of its proper divisors (1).

102897206543 is an equidigital number, since it uses as much as digits as its factorization.

102897206543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 102897206543 in words is "one hundred two billion, eight hundred ninety-seven million, two hundred six thousand, five hundred forty-three".