4745161621643 has 2 divisors, whose sum is σ = 4745161621644. Its totient is φ = 4745161621642.

The previous prime is 4745161621597. The next prime is 4745161621663. The reversal of 4745161621643 is 3461261615474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4745161621643 - 2²⁰ = 4745160573067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4745161621591 and 4745161621600.

It is not a weakly prime, because it can be changed into another prime (4745161621663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2372580810821 + 2372580810822.

It is an arithmetic number, because the mean of its divisors is an integer number (2372580810822).

Almost surely, 2^{4745161621643} is an apocalyptic number.

4745161621643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4745161621643 is an equidigital number, since it uses as much as digits as its factorization.

4745161621643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 50.

The spelling of 4745161621643 in words is "four trillion, seven hundred forty-five billion, one hundred sixty-one million, six hundred twenty-one thousand, six hundred forty-three".