10142551666349 has 2 divisors, whose sum is σ = 10142551666350. Its totient is φ = 10142551666348.

The previous prime is 10142551666343. The next prime is 10142551666391. The reversal of 10142551666349 is 94366615524101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8509139863849 + 1633411802500 = 2917043^2 + 1278050^2 .

It is a cyclic number.

It is not a de Polignac number, because 10142551666349 - 2³⁶ = 10073832189613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10142551666349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10142551666343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071275833174 + 5071275833175.

It is an arithmetic number, because the mean of its divisors is an integer number (5071275833175).

Almost surely, 2^{10142551666349} is an apocalyptic number.

It is an amenable number.

10142551666349 is a deficient number, since it is larger than the sum of its proper divisors (1).

10142551666349 is an equidigital number, since it uses as much as digits as its factorization.

10142551666349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 10142551666349 in words is "ten trillion, one hundred forty-two billion, five hundred fifty-one million, six hundred sixty-six thousand, three hundred forty-nine".