2664000403 has 4 divisors (see below), whose sum is σ = 2664151560. Its totient is φ = 2663849248.

The previous prime is 2664000401. The next prime is 2664000473. The reversal of 2664000403 is 3040004662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2664000403 - 2¹ = 2664000401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664000401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45025 + ... + 85762.

It is an arithmetic number, because the mean of its divisors is an integer number (666037890).

Almost surely, 2^2664000403 is an apocalyptic number.

2664000403 is a deficient number, since it is larger than the sum of its proper divisors (151157).

2664000403 is a wasteful number, since it uses less digits than its factorization.

2664000403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151156.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2664000403 is about 51613.9555062388. The cubic root of 2664000403 is about 1386.2602235885.

The spelling of 2664000403 in words is "two billion, six hundred sixty-four million, four hundred three", and thus it is an aban number.