8269671961 has 4 divisors (see below), whose sum is σ = 8269854592. Its totient is φ = 8269489332.

The previous prime is 8269671923. The next prime is 8269672001. The reversal of 8269671961 is 1691769628.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8269671961 - 2¹³ = 8269663769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8269671911) 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, 33220 + ... + 132826.

It is an arithmetic number, because the mean of its divisors is an integer number (2067463648).

Almost surely, 2^8269671961 is an apocalyptic number.

It is an amenable number.

8269671961 is a deficient number, since it is larger than the sum of its proper divisors (182631).

8269671961 is an equidigital number, since it uses as much as digits as its factorization.

8269671961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182630.

The product of its digits is 1959552, while the sum is 55.

The square root of 8269671961 is about 90937.7367268396. The cubic root of 8269671961 is about 2022.2247782228.

The spelling of 8269671961 in words is "eight billion, two hundred sixty-nine million, six hundred seventy-one thousand, nine hundred sixty-one".