245316246651 has 32 divisors (see below), whose sum is σ = 429672691200. Its totient is φ = 135346891680.

The previous prime is 245316246647. The next prime is 245316246661. The reversal of 245316246651 is 156642613542.

245316246651 is a `hidden beast` number, since 2 + 4 + 531 + 6 + 2 + 4 + 66 + 51 = 666.

It is not a de Polignac number, because 245316246651 - 2² = 245316246647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245316246597 and 245316246606.

It is not an unprimeable number, because it can be changed into a prime (245316246601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22373305 + ... + 22384266.

It is an arithmetic number, because the mean of its divisors is an integer number (13427271600).

Almost surely, 2^245316246651 is an apocalyptic number.

245316246651 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

245316246651 is a deficient number, since it is larger than the sum of its proper divisors (184356444549).

245316246651 is a wasteful number, since it uses less digits than its factorization.

245316246651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44757616 (or 44757610 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 245316246651 in words is "two hundred forty-five billion, three hundred sixteen million, two hundred forty-six thousand, six hundred fifty-one".