254466313647 has 48 divisors (see below), whose sum is σ = 420906995712. Its totient is φ = 133164803520.

The previous prime is 254466313643. The next prime is 254466313657. The reversal of 254466313647 is 746313664452.

It is not a de Polignac number, because 254466313647 - 2² = 254466313643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254466313647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254466313643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4374322 + ... + 4432112.

It is an arithmetic number, because the mean of its divisors is an integer number (8768895744).

Almost surely, 2^254466313647 is an apocalyptic number.

254466313647 is a deficient number, since it is larger than the sum of its proper divisors (166440682065).

254466313647 is a wasteful number, since it uses less digits than its factorization.

254466313647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58068 (or 57941 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 51.

The spelling of 254466313647 in words is "two hundred fifty-four billion, four hundred sixty-six million, three hundred thirteen thousand, six hundred forty-seven".