4745161621663 has 2 divisors, whose sum is σ = 4745161621664. Its totient is φ = 4745161621662.

The previous prime is 4745161621643. The next prime is 4745161621727. The reversal of 4745161621663 is 3661261615474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4745161621663 - 2¹⁷ = 4745161490591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4745161621663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4745161621643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2372580810831 + 2372580810832.

It is an arithmetic number, because the mean of its divisors is an integer number (2372580810832).

Almost surely, 2^{4745161621663} is an apocalyptic number.

4745161621663 is a deficient number, since it is larger than the sum of its proper divisors (1).

4745161621663 is an equidigital number, since it uses as much as digits as its factorization.

4745161621663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 52.

The spelling of 4745161621663 in words is "four trillion, seven hundred forty-five billion, one hundred sixty-one million, six hundred twenty-one thousand, six hundred sixty-three".