8486270337661 has 2 divisors, whose sum is σ = 8486270337662. Its totient is φ = 8486270337660.

The previous prime is 8486270337563. The next prime is 8486270337679. The reversal of 8486270337661 is 1667330726848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6875833196761 + 1610437140900 = 2622181^2 + 1269030^2 .

It is a cyclic number.

It is not a de Polignac number, because 8486270337661 - 2²¹ = 8486268240509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8486270337661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8486270335661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4243135168830 + 4243135168831.

It is an arithmetic number, because the mean of its divisors is an integer number (4243135168831).

Almost surely, 2^{8486270337661} is an apocalyptic number.

It is an amenable number.

8486270337661 is a deficient number, since it is larger than the sum of its proper divisors (1).

8486270337661 is an equidigital number, since it uses as much as digits as its factorization.

8486270337661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48771072, while the sum is 61.

The spelling of 8486270337661 in words is "eight trillion, four hundred eighty-six billion, two hundred seventy million, three hundred thirty-seven thousand, six hundred sixty-one".