454715785215 has 12 divisors (see below), whose sum is σ = 788174027784. Its totient is φ = 242515085424.

The previous prime is 454715785211. The next prime is 454715785241. The reversal of 454715785215 is 512587517454.

454715785215 is a `hidden beast` number, since 4 + 5 + 4 + 7 + 1 + 578 + 52 + 15 = 666.

It is not a de Polignac number, because 454715785215 - 2² = 454715785211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454715785211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5052397569 + ... + 5052397658.

It is an arithmetic number, because the mean of its divisors is an integer number (65681168982).

Almost surely, 2^454715785215 is an apocalyptic number.

454715785215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

454715785215 is a deficient number, since it is larger than the sum of its proper divisors (333458242569).

454715785215 is a wasteful number, since it uses less digits than its factorization.

454715785215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10104795238 (or 10104795235 counting only the distinct ones).

The product of its digits is 7840000, while the sum is 54.

The spelling of 454715785215 in words is "four hundred fifty-four billion, seven hundred fifteen million, seven hundred eighty-five thousand, two hundred fifteen".