574378744649 has 2 divisors, whose sum is σ = 574378744650. Its totient is φ = 574378744648.

The previous prime is 574378744601. The next prime is 574378744651. The reversal of 574378744649 is 946447873475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 571929187600 + 2449557049 = 756260^2 + 49493^2 .

It is a cyclic number.

It is not a de Polignac number, because 574378744649 - 2¹⁶ = 574378679113 is a prime.

It is a super-2 number, since 2×574378744649² (a number of 24 digits) contains 22 as substring.

Together with 574378744651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (574378744669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287189372324 + 287189372325.

It is an arithmetic number, because the mean of its divisors is an integer number (287189372325).

Almost surely, 2^574378744649 is an apocalyptic number.

It is an amenable number.

574378744649 is a deficient number, since it is larger than the sum of its proper divisors (1).

574378744649 is an equidigital number, since it uses as much as digits as its factorization.

574378744649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 568995840, while the sum is 68.

The spelling of 574378744649 in words is "five hundred seventy-four billion, three hundred seventy-eight million, seven hundred forty-four thousand, six hundred forty-nine".