303999043969 has 2 divisors, whose sum is σ = 303999043970. Its totient is φ = 303999043968.

The previous prime is 303999043967. The next prime is 303999044009. The reversal of 303999043969 is 969340999303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 293780260225 + 10218783744 = 542015^2 + 101088^2 .

It is a cyclic number.

It is not a de Polignac number, because 303999043969 - 2¹ = 303999043967 is a prime.

It is a super-2 number, since 2×303999043969² (a number of 24 digits) contains 22 as substring.

Together with 303999043967, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 303999043969.

It is not a weakly prime, because it can be changed into another prime (303999043967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151999521984 + 151999521985.

It is an arithmetic number, because the mean of its divisors is an integer number (151999521985).

Almost surely, 2^303999043969 is an apocalyptic number.

It is an amenable number.

303999043969 is a deficient number, since it is larger than the sum of its proper divisors (1).

303999043969 is an equidigital number, since it uses as much as digits as its factorization.

303999043969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38263752, while the sum is 64.

The spelling of 303999043969 in words is "three hundred three billion, nine hundred ninety-nine million, forty-three thousand, nine hundred sixty-nine".