454544520068 has 6 divisors (see below), whose sum is σ = 795452910126. Its totient is φ = 227272260032.

The previous prime is 454544520019. The next prime is 454544520077. The reversal of 454544520068 is 860025445454.

It can be written as a sum of positive squares in only one way, i.e., 342367754884 + 112176765184 = 585122^2 + 334928^2 .

It is a super-2 number, since 2×454544520068² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56818065005 + ... + 56818065012.

It is an arithmetic number, because the mean of its divisors is an integer number (132575485021).

Almost surely, 2^454544520068 is an apocalyptic number.

It is an amenable number.

454544520068 is a deficient number, since it is larger than the sum of its proper divisors (340908390058).

454544520068 is a wasteful number, since it uses less digits than its factorization.

454544520068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113636130021 (or 113636130019 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 47.

The spelling of 454544520068 in words is "four hundred fifty-four billion, five hundred forty-four million, five hundred twenty thousand, sixty-eight".