6454975490569 has 16 divisors (see below), whose sum is σ = 6690595665600. Its totient is φ = 6223376549376.

The previous prime is 6454975490549. The next prime is 6454975490609. The reversal of 6454975490569 is 9650945794546.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6454975490569 - 2²⁵ = 6454941936137 is a prime.

It is a super-2 number, since 2×6454975490569² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6454975490549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3228417 + ... + 4830385.

It is an arithmetic number, because the mean of its divisors is an integer number (418162229100).

Almost surely, 2^{6454975490569} is an apocalyptic number.

It is an amenable number.

6454975490569 is a deficient number, since it is larger than the sum of its proper divisors (235620175031).

6454975490569 is a wasteful number, since it uses less digits than its factorization.

6454975490569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603224.

The product of its (nonzero) digits is 1469664000, while the sum is 73.

The spelling of 6454975490569 in words is "six trillion, four hundred fifty-four billion, nine hundred seventy-five million, four hundred ninety thousand, five hundred sixty-nine".