304020401249 has 2 divisors, whose sum is σ = 304020401250. Its totient is φ = 304020401248.

The previous prime is 304020401239. The next prime is 304020401261. The reversal of 304020401249 is 942104020403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168251734225 + 135768667024 = 410185^2 + 368468^2 .

It is a cyclic number.

It is not a de Polignac number, because 304020401249 - 2⁴ = 304020401233 is a prime.

It is not a weakly prime, because it can be changed into another prime (304020401239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152010200624 + 152010200625.

It is an arithmetic number, because the mean of its divisors is an integer number (152010200625).

Almost surely, 2^304020401249 is an apocalyptic number.

It is an amenable number.

304020401249 is a deficient number, since it is larger than the sum of its proper divisors (1).

304020401249 is an equidigital number, since it uses as much as digits as its factorization.

304020401249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 304020401249 in words is "three hundred four billion, twenty million, four hundred one thousand, two hundred forty-nine".