2731672469 has 4 divisors (see below), whose sum is σ = 2731783296. Its totient is φ = 2731561644.

The previous prime is 2731672451. The next prime is 2731672549. The reversal of 2731672469 is 9642761372.

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 a de Polignac number, because none of the positive numbers 2^k-2731672469 is a prime.

It is a super-2 number, since 2×2731672469² = 14924068955785111922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731672169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92 + ... + 73914.

It is an arithmetic number, because the mean of its divisors is an integer number (682945824).

Almost surely, 2^2731672469 is an apocalyptic number.

It is an amenable number.

2731672469 is a deficient number, since it is larger than the sum of its proper divisors (110827).

2731672469 is an equidigital number, since it uses as much as digits as its factorization.

2731672469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110826.

The product of its digits is 762048, while the sum is 47.

The square root of 2731672469 is about 52265.4041312224. The cubic root of 2731672469 is about 1397.9003336977.

The spelling of 2731672469 in words is "two billion, seven hundred thirty-one million, six hundred seventy-two thousand, four hundred sixty-nine".