102154273509433 has 2 divisors, whose sum is σ = 102154273509434. Its totient is φ = 102154273509432.

The previous prime is 102154273509419. The next prime is 102154273509443. The reversal of 102154273509433 is 334905372451201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79693953559609 + 22460319949824 = 8927147^2 + 4739232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102154273509433 is a prime.

It is not a weakly prime, because it can be changed into another prime (102154273509443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51077136754716 + 51077136754717.

It is an arithmetic number, because the mean of its divisors is an integer number (51077136754717).

Almost surely, 2^{102154273509433} is an apocalyptic number.

It is an amenable number.

102154273509433 is a deficient number, since it is larger than the sum of its proper divisors (1).

102154273509433 is an equidigital number, since it uses as much as digits as its factorization.

102154273509433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 102154273509433 in words is "one hundred two trillion, one hundred fifty-four billion, two hundred seventy-three million, five hundred nine thousand, four hundred thirty-three".