10642239271 has 4 divisors (see below), whose sum is σ = 10985537344. Its totient is φ = 10298941200.

The previous prime is 10642239253. The next prime is 10642239277. The reversal of 10642239271 is 17293224601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17293224601 = 367 ⋅47120503.

It is a cyclic number.

It is not a de Polignac number, because 10642239271 - 2¹⁹ = 10641714983 is a prime.

It is a super-2 number, since 2×10642239271² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10642239271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642239277) 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, 171648990 + ... + 171649051.

It is an arithmetic number, because the mean of its divisors is an integer number (2746384336).

Almost surely, 2^10642239271 is an apocalyptic number.

10642239271 is a deficient number, since it is larger than the sum of its proper divisors (343298073).

10642239271 is an equidigital number, since it uses as much as digits as its factorization.

10642239271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343298072.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 10642239271 in words is "ten billion, six hundred forty-two million, two hundred thirty-nine thousand, two hundred seventy-one".