602891449 has 2 divisors, whose sum is σ = 602891450. Its totient is φ = 602891448.

The previous prime is 602891389. The next prime is 602891467. The reversal of 602891449 is 944198206.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 462895225 + 139996224 = 21515^2 + 11832^2 .

It is a cyclic number.

It is not a de Polignac number, because 602891449 - 2²⁵ = 569337017 is a prime.

It is not a weakly prime, because it can be changed into another prime (602894449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301445724 + 301445725.

It is an arithmetic number, because the mean of its divisors is an integer number (301445725).

Almost surely, 2^602891449 is an apocalyptic number.

It is an amenable number.

602891449 is a deficient number, since it is larger than the sum of its proper divisors (1).

602891449 is an equidigital number, since it uses as much as digits as its factorization.

602891449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 602891449 is about 24553.8479469105. The cubic root of 602891449 is about 844.7853516859.

The spelling of 602891449 in words is "six hundred two million, eight hundred ninety-one thousand, four hundred forty-nine".