2688472971 has 8 divisors (see below), whose sum is σ = 3982922960. Its totient is φ = 1792315296.

The previous prime is 2688472957. The next prime is 2688472993. The reversal of 2688472971 is 1792748862.

It is a happy number.

2688472971 is a `hidden beast` number, since 2 + 6 + 88 + 472 + 97 + 1 = 666.

It is not a de Polignac number, because 2688472971 - 2¹⁵ = 2688440203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2688472471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49786510 + ... + 49786563.

It is an arithmetic number, because the mean of its divisors is an integer number (497865370).

Almost surely, 2^2688472971 is an apocalyptic number.

2688472971 is a deficient number, since it is larger than the sum of its proper divisors (1294449989).

2688472971 is an equidigital number, since it uses as much as digits as its factorization.

2688472971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99573082 (or 99573076 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 2688472971 is about 51850.4866997408. The cubic root of 2688472971 is about 1390.4922037572.

The spelling of 2688472971 in words is "two billion, six hundred eighty-eight million, four hundred seventy-two thousand, nine hundred seventy-one".