4745161614421 has 2 divisors, whose sum is σ = 4745161614422. Its totient is φ = 4745161614420.

The previous prime is 4745161614377. The next prime is 4745161614449. The reversal of 4745161614421 is 1244161615474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4530895388100 + 214266226321 = 2128590^2 + 462889^2 .

It is a cyclic number.

It is not a de Polignac number, because 4745161614421 - 2³¹ = 4743014130773 is a prime.

It is a super-2 number, since 2×4745161614421² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4745161614461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2372580807210 + 2372580807211.

It is an arithmetic number, because the mean of its divisors is an integer number (2372580807211).

Almost surely, 2^{4745161614421} is an apocalyptic number.

It is an amenable number.

4745161614421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4745161614421 is an equidigital number, since it uses as much as digits as its factorization.

4745161614421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 46.

The spelling of 4745161614421 in words is "four trillion, seven hundred forty-five billion, one hundred sixty-one million, six hundred fourteen thousand, four hundred twenty-one".