2664541501 has 4 divisors (see below), whose sum is σ = 2665068352. Its totient is φ = 2664014652.

The previous prime is 2664541459. The next prime is 2664541567. The reversal of 2664541501 is 1051454662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2664541501 - 2¹⁵ = 2664508733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664541301) 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 3 ways as a sum of consecutive naturals, for example, 255765 + ... + 265978.

It is an arithmetic number, because the mean of its divisors is an integer number (666267088).

Almost surely, 2^2664541501 is an apocalyptic number.

It is an amenable number.

2664541501 is a deficient number, since it is larger than the sum of its proper divisors (526851).

2664541501 is an equidigital number, since it uses as much as digits as its factorization.

2664541501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526850.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2664541501 is about 51619.1970201010. The cubic root of 2664541501 is about 1386.3540739065.

The spelling of 2664541501 in words is "two billion, six hundred sixty-four million, five hundred forty-one thousand, five hundred one".