102040200999349 has 2 divisors, whose sum is σ = 102040200999350. Its totient is φ = 102040200999348.

The previous prime is 102040200999329. The next prime is 102040200999391. The reversal of 102040200999349 is 943999002040201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68409689130225 + 33630511869124 = 8271015^2 + 5799182^2 .

It is a cyclic number.

It is not a de Polignac number, because 102040200999349 - 2¹⁵ = 102040200966581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102040200999296 and 102040200999305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102040200999329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51020100499674 + 51020100499675.

It is an arithmetic number, because the mean of its divisors is an integer number (51020100499675).

Almost surely, 2^{102040200999349} is an apocalyptic number.

It is an amenable number.

102040200999349 is a deficient number, since it is larger than the sum of its proper divisors (1).

102040200999349 is an equidigital number, since it uses as much as digits as its factorization.

102040200999349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 102040200999349 in words is "one hundred two trillion, forty billion, two hundred million, nine hundred ninety-nine thousand, three hundred forty-nine".