4625244012661 has 2 divisors, whose sum is σ = 4625244012662. Its totient is φ = 4625244012660.

The previous prime is 4625244012637. The next prime is 4625244012671. The reversal of 4625244012661 is 1662104425264.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4025215614436 + 600028398225 = 2006294^2 + 774615^2 .

It is a cyclic number.

It is not a de Polignac number, because 4625244012661 - 2¹⁷ = 4625243881589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4625244012601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2312622006330 + 2312622006331.

It is an arithmetic number, because the mean of its divisors is an integer number (2312622006331).

Almost surely, 2^{4625244012661} is an apocalyptic number.

It is an amenable number.

4625244012661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4625244012661 is an equidigital number, since it uses as much as digits as its factorization.

4625244012661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 4625244012661 in words is "four trillion, six hundred twenty-five billion, two hundred forty-four million, twelve thousand, six hundred sixty-one".