10621631833 has 4 divisors (see below), whose sum is σ = 10622194128. Its totient is φ = 10621069540.

The previous prime is 10621631803. The next prime is 10621631837. The reversal of 10621631833 is 33813612601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33813612601 = 102811 ⋅328891.

It is a cyclic number.

It is not a de Polignac number, because 10621631833 - 2¹⁷ = 10621500761 is a prime.

It is a super-2 number, since 2×10621631833² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10621631837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251791 + ... + 290932.

It is an arithmetic number, because the mean of its divisors is an integer number (2655548532).

Almost surely, 2^10621631833 is an apocalyptic number.

It is an amenable number.

10621631833 is a deficient number, since it is larger than the sum of its proper divisors (562295).

10621631833 is an equidigital number, since it uses as much as digits as its factorization.

10621631833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562294.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 10621631833 in words is "ten billion, six hundred twenty-one million, six hundred thirty-one thousand, eight hundred thirty-three".