202104401249 has 2 divisors, whose sum is σ = 202104401250. Its totient is φ = 202104401248.

The previous prime is 202104401237. The next prime is 202104401287. The reversal of 202104401249 is 942104401202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113579110225 + 88525291024 = 337015^2 + 297532^2 .

It is a cyclic number.

It is not a de Polignac number, because 202104401249 - 2¹² = 202104397153 is a prime.

It is not a weakly prime, because it can be changed into another prime (202104401299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101052200624 + 101052200625.

It is an arithmetic number, because the mean of its divisors is an integer number (101052200625).

Almost surely, 2^202104401249 is an apocalyptic number.

It is an amenable number.

202104401249 is a deficient number, since it is larger than the sum of its proper divisors (1).

202104401249 is an equidigital number, since it uses as much as digits as its factorization.

202104401249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 202104401249 in words is "two hundred two billion, one hundred four million, four hundred one thousand, two hundred forty-nine".