4745161621650 has 24 divisors (see below), whose sum is σ = 11768000822064. Its totient is φ = 1265376432400.

The previous prime is 4745161621643. The next prime is 4745161621663. The reversal of 4745161621650 is 561261615474.

It is a self number, because there is not a number n which added to its sum of digits gives 4745161621650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15817205256 + ... + 15817205555.

It is an arithmetic number, because the mean of its divisors is an integer number (490333367586).

Almost surely, 2^{4745161621650} is an apocalyptic number.

4745161621650 is an abundant number, since it is smaller than the sum of its proper divisors (7022839200414).

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

4745161621650 is a wasteful number, since it uses less digits than its factorization.

4745161621650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31634410826 (or 31634410821 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 4745161621650 in words is "four trillion, seven hundred forty-five billion, one hundred sixty-one million, six hundred twenty-one thousand, six hundred fifty".