2451503302013 has 4 divisors (see below), whose sum is σ = 2595709378620. Its totient is φ = 2307297225408.

The previous prime is 2451503301943. The next prime is 2451503302051. The reversal of 2451503302013 is 3102033051542.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2004073416409 + 447429885604 = 1415653^2 + 668902^2 .

It is a cyclic number.

It is not a de Polignac number, because 2451503302013 - 2¹⁴ = 2451503285629 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 (2451503302813) 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, 72103038278 + ... + 72103038311.

It is an arithmetic number, because the mean of its divisors is an integer number (648927344655).

Almost surely, 2^{2451503302013} is an apocalyptic number.

It is an amenable number.

2451503302013 is a deficient number, since it is larger than the sum of its proper divisors (144206076607).

2451503302013 is a wasteful number, since it uses less digits than its factorization.

2451503302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144206076606.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 2451503302013 its reverse (3102033051542), we get a palindrome (5553536353555).

The spelling of 2451503302013 in words is "two trillion, four hundred fifty-one billion, five hundred three million, three hundred two thousand, thirteen".