10709272642 has 4 divisors (see below), whose sum is σ = 16063908966. Its totient is φ = 5354636320.

The previous prime is 10709272633. The next prime is 10709272643. The reversal of 10709272642 is 24627290701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5389174921 + 5320097721 = 73411^2 + 72939^2 .

It is a super-2 number, since 2×10709272642² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 10709272595 and 10709272604.

It is not an unprimeable number, because it can be changed into a prime (10709272643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2677318159 + ... + 2677318162.

Almost surely, 2^10709272642 is an apocalyptic number.

10709272642 is a deficient number, since it is larger than the sum of its proper divisors (5354636324).

10709272642 is an equidigital number, since it uses as much as digits as its factorization.

10709272642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354636323.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 10709272642 in words is "ten billion, seven hundred nine million, two hundred seventy-two thousand, six hundred forty-two".