10142366653649 has 2 divisors, whose sum is σ = 10142366653650. Its totient is φ = 10142366653648.

The previous prime is 10142366653619. The next prime is 10142366653681. The reversal of 10142366653649 is 94635666324101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6734440206400 + 3407926447249 = 2595080^2 + 1846057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10142366653649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10142366653594 and 10142366653603.

It is not a weakly prime, because it can be changed into another prime (10142366653619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071183326824 + 5071183326825.

It is an arithmetic number, because the mean of its divisors is an integer number (5071183326825).

Almost surely, 2^{10142366653649} is an apocalyptic number.

It is an amenable number.

10142366653649 is a deficient number, since it is larger than the sum of its proper divisors (1).

10142366653649 is an equidigital number, since it uses as much as digits as its factorization.

10142366653649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 56.

The spelling of 10142366653649 in words is "ten trillion, one hundred forty-two billion, three hundred sixty-six million, six hundred fifty-three thousand, six hundred forty-nine".