2403251073453 has 4 divisors (see below), whose sum is σ = 3204334764608. Its totient is φ = 1602167382300.

The previous prime is 2403251073397. The next prime is 2403251073479. The reversal of 2403251073453 is 3543701523042.

It is a happy number.

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 not a de Polignac number, because 2403251073453 - 2¹³ = 2403251065261 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 (2403251073653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400541845573 + ... + 400541845578.

It is an arithmetic number, because the mean of its divisors is an integer number (801083691152).

Almost surely, 2^{2403251073453} is an apocalyptic number.

It is an amenable number.

2403251073453 is a deficient number, since it is larger than the sum of its proper divisors (801083691155).

2403251073453 is an equidigital number, since it uses as much as digits as its factorization.

2403251073453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801083691154.

The product of its (nonzero) digits is 302400, while the sum is 39.

Adding to 2403251073453 its reverse (3543701523042), we get a palindrome (5946952596495).

The spelling of 2403251073453 in words is "two trillion, four hundred three billion, two hundred fifty-one million, seventy-three thousand, four hundred fifty-three".