245546743653 has 16 divisors (see below), whose sum is σ = 363980538240. Its totient is φ = 163604416032.

The previous prime is 245546743643. The next prime is 245546743681. The reversal of 245546743653 is 356347645542.

245546743653 is a `hidden beast` number, since 2 + 4 + 5 + 546 + 7 + 43 + 6 + 53 = 666.

It is not a de Polignac number, because 245546743653 - 2²⁵ = 245513189221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245546743653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245546743643) 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, 2546601 + ... + 2641262.

It is an arithmetic number, because the mean of its divisors is an integer number (22748783640).

Almost surely, 2^245546743653 is an apocalyptic number.

It is an amenable number.

245546743653 is a deficient number, since it is larger than the sum of its proper divisors (118433794587).

245546743653 is a wasteful number, since it uses less digits than its factorization.

245546743653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189625 (or 5189619 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 54.

The spelling of 245546743653 in words is "two hundred forty-five billion, five hundred forty-six million, seven hundred forty-three thousand, six hundred fifty-three".