10206620453639 has 8 divisors (see below), whose sum is σ = 10349506670352. Its totient is φ = 10063817196480.

The previous prime is 10206620453569. The next prime is 10206620453669. The reversal of 10206620453639 is 93635402660201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10206620453639 is a prime.

It is a super-2 number, since 2×10206620453639² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10206620453593 and 10206620453602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10206620453669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20492084 + ... + 20984249.

It is an arithmetic number, because the mean of its divisors is an integer number (1293688333794).

Almost surely, 2^{10206620453639} is an apocalyptic number.

10206620453639 is a deficient number, since it is larger than the sum of its proper divisors (142886216713).

10206620453639 is an equidigital number, since it uses as much as digits as its factorization.

10206620453639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41479777.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 10206620453639 in words is "ten trillion, two hundred six billion, six hundred twenty million, four hundred fifty-three thousand, six hundred thirty-nine".