10213394695642 has 8 divisors (see below), whose sum is σ = 15320173483476. Its totient is φ = 5106670201152.

The previous prime is 10213394695639. The next prime is 10213394695661. The reversal of 10213394695642 is 24659649331201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10207456297921 + 5938397721 = 3194911^2 + 77061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13099743 + ... + 13857490.

Almost surely, 2^{10213394695642} is an apocalyptic number.

10213394695642 is a deficient number, since it is larger than the sum of its proper divisors (5106778787834).

10213394695642 is a wasteful number, since it uses less digits than its factorization.

10213394695642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27146672.

The product of its (nonzero) digits is 8398080, while the sum is 55.

The spelling of 10213394695642 in words is "ten trillion, two hundred thirteen billion, three hundred ninety-four million, six hundred ninety-five thousand, six hundred forty-two".