2664872429 has 2 divisors, whose sum is σ = 2664872430. Its totient is φ = 2664872428.

The previous prime is 2664872393. The next prime is 2664872447. The reversal of 2664872429 is 9242784662.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1885904329 + 778968100 = 43427^2 + 27910^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664872429 - 2¹² = 2664868333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2664872479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332436214 + 1332436215.

It is an arithmetic number, because the mean of its divisors is an integer number (1332436215).

Almost surely, 2^2664872429 is an apocalyptic number.

It is an amenable number.

2664872429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664872429 is an equidigital number, since it uses as much as digits as its factorization.

2664872429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 50.

The square root of 2664872429 is about 51622.4023946968. The cubic root of 2664872429 is about 1386.4114651924.

The spelling of 2664872429 in words is "two billion, six hundred sixty-four million, eight hundred seventy-two thousand, four hundred twenty-nine".