6813156273 has 16 divisors (see below), whose sum is σ = 11325766656. Its totient is φ = 3539301840.

The previous prime is 6813156271. The next prime is 6813156313. The reversal of 6813156273 is 3726513186.

It is not a de Polignac number, because 6813156273 - 2¹ = 6813156271 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6813156271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14746861 + ... + 14747322.

It is an arithmetic number, because the mean of its divisors is an integer number (707860416).

Almost surely, 2^6813156273 is an apocalyptic number.

It is an amenable number.

6813156273 is a deficient number, since it is larger than the sum of its proper divisors (4512610383).

6813156273 is a wasteful number, since it uses less digits than its factorization.

6813156273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29494204.

The product of its digits is 181440, while the sum is 42.

The square root of 6813156273 is about 82541.8455875564. The cubic root of 6813156273 is about 1895.7575028905.

The spelling of 6813156273 in words is "six billion, eight hundred thirteen million, one hundred fifty-six thousand, two hundred seventy-three".