10262377661 has 2 divisors, whose sum is σ = 10262377662. Its totient is φ = 10262377660.

The previous prime is 10262377633. The next prime is 10262377711. The reversal of 10262377661 is 16677326201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6157540900 + 4104836761 = 78470^2 + 64069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10262377661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10262377861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5131188830 + 5131188831.

It is an arithmetic number, because the mean of its divisors is an integer number (5131188831).

Almost surely, 2^10262377661 is an apocalyptic number.

It is an amenable number.

10262377661 is a deficient number, since it is larger than the sum of its proper divisors (1).

10262377661 is an equidigital number, since it uses as much as digits as its factorization.

10262377661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 10262377661 in words is "ten billion, two hundred sixty-two million, three hundred seventy-seven thousand, six hundred sixty-one".