102740838049 has 2 divisors, whose sum is σ = 102740838050. Its totient is φ = 102740838048.

The previous prime is 102740838043. The next prime is 102740838061. The reversal of 102740838049 is 940838047201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87462147600 + 15278690449 = 295740^2 + 123607^2 .

It is a cyclic number.

It is not a de Polignac number, because 102740838049 - 2³ = 102740838041 is a prime.

It is a super-2 number, since 2×102740838049² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102740838041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51370419024 + 51370419025.

It is an arithmetic number, because the mean of its divisors is an integer number (51370419025).

Almost surely, 2^102740838049 is an apocalyptic number.

It is an amenable number.

102740838049 is a deficient number, since it is larger than the sum of its proper divisors (1).

102740838049 is an equidigital number, since it uses as much as digits as its factorization.

102740838049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 102740838049 in words is "one hundred two billion, seven hundred forty million, eight hundred thirty-eight thousand, forty-nine".