10621662279 has 8 divisors (see below), whose sum is σ = 14356219632. Its totient is φ = 6984106560.

The previous prime is 10621662263. The next prime is 10621662301. The reversal of 10621662279 is 97226612601.

10621662279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10621662279 - 2⁴ = 10621662263 is a prime.

It is a super-2 number, since 2×10621662279² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 10621662279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621662229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24250152 + ... + 24250589.

It is an arithmetic number, because the mean of its divisors is an integer number (1794527454).

Almost surely, 2^10621662279 is an apocalyptic number.

10621662279 is a deficient number, since it is larger than the sum of its proper divisors (3734557353).

10621662279 is an equidigital number, since it uses as much as digits as its factorization.

10621662279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48500817.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 10621662279 in words is "ten billion, six hundred twenty-one million, six hundred sixty-two thousand, two hundred seventy-nine".