6463910645250 has 32 divisors (see below), whose sum is σ = 16133920972416. Its totient is φ = 1723709505200.

The previous prime is 6463910645161. The next prime is 6463910645267. The reversal of 6463910645250 is 525460193646.

It is a junction number, because it is equal to n+sod(n) for n = 6463910645193 and 6463910645202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4309273014 + ... + 4309274513.

It is an arithmetic number, because the mean of its divisors is an integer number (504185030388).

Almost surely, 2^{6463910645250} is an apocalyptic number.

6463910645250 is an abundant number, since it is smaller than the sum of its proper divisors (9670010327166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6463910645250 is a wasteful number, since it uses less digits than its factorization.

6463910645250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8618547547 (or 8618547537 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 6463910645250 in words is "six trillion, four hundred sixty-three billion, nine hundred ten million, six hundred forty-five thousand, two hundred fifty".