2664642453 has 16 divisors (see below), whose sum is σ = 3885981696. Its totient is φ = 1610710640.

The previous prime is 2664642427. The next prime is 2664642473. The reversal of 2664642453 is 3542464662.

It is not a de Polignac number, because 2664642453 - 2⁶ = 2664642389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664642413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92775 + ... + 118052.

It is an arithmetic number, because the mean of its divisors is an integer number (242873856).

Almost surely, 2^2664642453 is an apocalyptic number.

It is an amenable number.

2664642453 is a deficient number, since it is larger than the sum of its proper divisors (1221339243).

2664642453 is a wasteful number, since it uses less digits than its factorization.

2664642453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211224.

The product of its digits is 829440, while the sum is 42.

The square root of 2664642453 is about 51620.1748640975. The cubic root of 2664642453 is about 1386.3715820405.

The spelling of 2664642453 in words is "two billion, six hundred sixty-four million, six hundred forty-two thousand, four hundred fifty-three".