2405343401503 has 12 divisors (see below), whose sum is σ = 2825756024472. Its totient is φ = 2041309813200.

The previous prime is 2405343401497. The next prime is 2405343401509. The reversal of 2405343401503 is 3051043435042.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2405343401497) and next prime (2405343401509).

It is a de Polignac number, because none of the positive numbers 2^k-2405343401503 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 (2405343401509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243008125 + ... + 243018022.

It is an arithmetic number, because the mean of its divisors is an integer number (235479668706).

Almost surely, 2^{2405343401503} is an apocalyptic number.

2405343401503 is a deficient number, since it is larger than the sum of its proper divisors (420412622969).

2405343401503 is a wasteful number, since it uses less digits than its factorization.

2405343401503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486026262 (or 486026255 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 2405343401503 its reverse (3051043435042), we get a palindrome (5456386836545).

The spelling of 2405343401503 in words is "two trillion, four hundred five billion, three hundred forty-three million, four hundred one thousand, five hundred three".