245018974473 has 144 divisors (see below), whose sum is σ = 449229196416. Its totient is φ = 125963735040.

The previous prime is 245018974469. The next prime is 245018974513. The reversal of 245018974473 is 374479810542.

245018974473 is a `hidden beast` number, since 2 + 4 + 501 + 8 + 97 + 4 + 47 + 3 = 666.

It is not a de Polignac number, because 245018974473 - 2² = 245018974469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245018973473) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 69193083 + ... + 69196623.

Almost surely, 2^245018974473 is an apocalyptic number.

It is an amenable number.

245018974473 is a deficient number, since it is larger than the sum of its proper divisors (204210221943).

245018974473 is a wasteful number, since it uses less digits than its factorization.

245018974473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744 (or 3728 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 245018974473 in words is "two hundred forty-five billion, eighteen million, nine hundred seventy-four thousand, four hundred seventy-three".