103939113049 has 2 divisors, whose sum is σ = 103939113050. Its totient is φ = 103939113048.

The previous prime is 103939112993. The next prime is 103939113101. The reversal of 103939113049 is 940311939301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99630503449 + 4308609600 = 315643^2 + 65640^2 .

It is a cyclic number.

It is not a de Polignac number, because 103939113049 - 2²⁹ = 103402242137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103939112996 and 103939113014.

It is not a weakly prime, because it can be changed into another prime (103939116049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51969556524 + 51969556525.

It is an arithmetic number, because the mean of its divisors is an integer number (51969556525).

Almost surely, 2^103939113049 is an apocalyptic number.

It is an amenable number.

103939113049 is a deficient number, since it is larger than the sum of its proper divisors (1).

103939113049 is an equidigital number, since it uses as much as digits as its factorization.

103939113049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 43.

The spelling of 103939113049 in words is "one hundred three billion, nine hundred thirty-nine million, one hundred thirteen thousand, forty-nine".