2731563342249 has 32 divisors (see below), whose sum is σ = 4279754555136. Its totient is φ = 1516974946560.

The previous prime is 2731563342199. The next prime is 2731563342257. The reversal of 2731563342249 is 9422433651372.

It is a happy number.

It is not a de Polignac number, because 2731563342249 - 2⁷ = 2731563342121 is a prime.

It is a super-2 number, since 2×2731563342249² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2731563342349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1322862 + ... + 2685719.

It is an arithmetic number, because the mean of its divisors is an integer number (133742329848).

Almost surely, 2^{2731563342249} is an apocalyptic number.

It is an amenable number.

2731563342249 is a deficient number, since it is larger than the sum of its proper divisors (1548191212887).

2731563342249 is a wasteful number, since it uses less digits than its factorization.

2731563342249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009505.

The product of its digits is 6531840, while the sum is 51.

The spelling of 2731563342249 in words is "two trillion, seven hundred thirty-one billion, five hundred sixty-three million, three hundred forty-two thousand, two hundred forty-nine".