102554518993 has 2 divisors, whose sum is σ = 102554518994. Its totient is φ = 102554518992.

The previous prime is 102554518987. The next prime is 102554518999. The reversal of 102554518993 is 399815455201.

It is a balanced prime because it is at equal distance from previous prime (102554518987) and next prime (102554518999).

It can be written as a sum of positive squares in only one way, i.e., 97523170369 + 5031348624 = 312287^2 + 70932^2 .

It is a cyclic number.

It is not a de Polignac number, because 102554518993 - 2⁹ = 102554518481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102554518993.

It is not a weakly prime, because it can be changed into another prime (102554518999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51277259496 + 51277259497.

It is an arithmetic number, because the mean of its divisors is an integer number (51277259497).

Almost surely, 2^102554518993 is an apocalyptic number.

It is an amenable number.

102554518993 is a deficient number, since it is larger than the sum of its proper divisors (1).

102554518993 is an equidigital number, since it uses as much as digits as its factorization.

102554518993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 52.

The spelling of 102554518993 in words is "one hundred two billion, five hundred fifty-four million, five hundred eighteen thousand, nine hundred ninety-three".