2641267403 has 4 divisors (see below), whose sum is σ = 2643482568. Its totient is φ = 2639052240.

The previous prime is 2641267397. The next prime is 2641267411. The reversal of 2641267403 is 3047621462.

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 2641267403 - 2¹² = 2641263307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2641267003) 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, 1105793 + ... + 1108178.

It is an arithmetic number, because the mean of its divisors is an integer number (660870642).

Almost surely, 2^2641267403 is an apocalyptic number.

2641267403 is a deficient number, since it is larger than the sum of its proper divisors (2215165).

2641267403 is a wasteful number, since it uses less digits than its factorization.

2641267403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215164.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 2641267403 is about 51393.2622334874. The cubic root of 2641267403 is about 1382.3057795870.

Adding to 2641267403 its reverse (3047621462), we get a palindrome (5688888865).

The spelling of 2641267403 in words is "two billion, six hundred forty-one million, two hundred sixty-seven thousand, four hundred three".