102789554240629 has 2 divisors, whose sum is σ = 102789554240630. Its totient is φ = 102789554240628.

The previous prime is 102789554240627. The next prime is 102789554240671. The reversal of 102789554240629 is 926042455987201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99680715264529 + 3108838976100 = 9984023^2 + 1763190^2 .

It is a cyclic number.

It is not a de Polignac number, because 102789554240629 - 2¹ = 102789554240627 is a prime.

It is a super-2 number, since 2×102789554240629² (a number of 29 digits) contains 22 as substring.

Together with 102789554240627, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102789554240627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51394777120314 + 51394777120315.

It is an arithmetic number, because the mean of its divisors is an integer number (51394777120315).

Almost surely, 2^{102789554240629} is an apocalyptic number.

It is an amenable number.

102789554240629 is a deficient number, since it is larger than the sum of its proper divisors (1).

102789554240629 is an equidigital number, since it uses as much as digits as its factorization.

102789554240629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87091200, while the sum is 64.

The spelling of 102789554240629 in words is "one hundred two trillion, seven hundred eighty-nine billion, five hundred fifty-four million, two hundred forty thousand, six hundred twenty-nine".