2664690471 has 12 divisors (see below), whose sum is σ = 3853684848. Its totient is φ = 1774296864.

The previous prime is 2664690463. The next prime is 2664690493. The reversal of 2664690471 is 1740964662.

It is not a de Polignac number, because 2664690471 - 2³ = 2664690463 is a prime.

It is a super-3 number, since 3×2664690471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664690071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172470 + ... + 187283.

It is an arithmetic number, because the mean of its divisors is an integer number (321140404).

Almost surely, 2^2664690471 is an apocalyptic number.

2664690471 is a deficient number, since it is larger than the sum of its proper divisors (1188994377).

2664690471 is a wasteful number, since it uses less digits than its factorization.

2664690471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360582 (or 360579 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 2664690471 is about 51620.6399708489. The cubic root of 2664690471 is about 1386.3799096607.

The spelling of 2664690471 in words is "two billion, six hundred sixty-four million, six hundred ninety thousand, four hundred seventy-one".