503402044413 has 16 divisors (see below), whose sum is σ = 673738266240. Its totient is φ = 334335443904.

The previous prime is 503402044403. The next prime is 503402044421. The reversal of 503402044413 is 314440204305.

It is not a de Polignac number, because 503402044413 - 2²⁶ = 503334935549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503402044403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860295 + ... + 1321707.

It is an arithmetic number, because the mean of its divisors is an integer number (42108641640).

Almost surely, 2^503402044413 is an apocalyptic number.

It is an amenable number.

503402044413 is a deficient number, since it is larger than the sum of its proper divisors (170336221827).

503402044413 is a wasteful number, since it uses less digits than its factorization.

503402044413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462788.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 503402044413 its reverse (314440204305), we get a palindrome (817842248718).

The spelling of 503402044413 in words is "five hundred three billion, four hundred two million, forty-four thousand, four hundred thirteen".