4664615251061 has 2 divisors, whose sum is σ = 4664615251062. Its totient is φ = 4664615251060.

The previous prime is 4664615251013. The next prime is 4664615251067. The reversal of 4664615251061 is 1601525164664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4147698828100 + 516916422961 = 2036590^2 + 718969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4664615251061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4664615250997 and 4664615251015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4664615251067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2332307625530 + 2332307625531.

It is an arithmetic number, because the mean of its divisors is an integer number (2332307625531).

Almost surely, 2^{4664615251061} is an apocalyptic number.

It is an amenable number.

4664615251061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4664615251061 is an equidigital number, since it uses as much as digits as its factorization.

4664615251061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 4664615251061 in words is "four trillion, six hundred sixty-four billion, six hundred fifteen million, two hundred fifty-one thousand, sixty-one".