10140056263621 has 2 divisors, whose sum is σ = 10140056263622. Its totient is φ = 10140056263620.

The previous prime is 10140056263607. The next prime is 10140056263639. The reversal of 10140056263621 is 12636265004101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7311150919396 + 2828905344225 = 2703914^2 + 1681935^2 .

It is a cyclic number.

It is not a de Polignac number, because 10140056263621 - 2²⁵ = 10140022709189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10140056263691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5070028131810 + 5070028131811.

It is an arithmetic number, because the mean of its divisors is an integer number (5070028131811).

Almost surely, 2^{10140056263621} is an apocalyptic number.

It is an amenable number.

10140056263621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10140056263621 is an equidigital number, since it uses as much as digits as its factorization.

10140056263621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 10140056263621 in words is "ten trillion, one hundred forty billion, fifty-six million, two hundred sixty-three thousand, six hundred twenty-one".