403554243213 has 12 divisors (see below), whose sum is σ = 635903656128. Its totient is φ = 244578329160.

The previous prime is 403554243163. The next prime is 403554243221. The reversal of 403554243213 is 312342455304.

403554243213 is a `hidden beast` number, since 40 + 3 + 554 + 2 + 43 + 21 + 3 = 666.

It is not a de Polignac number, because 403554243213 - 2¹² = 403554239117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403554243233) 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, 2038152645 + ... + 2038152842.

It is an arithmetic number, because the mean of its divisors is an integer number (52991971344).

Almost surely, 2^403554243213 is an apocalyptic number.

It is an amenable number.

403554243213 is a deficient number, since it is larger than the sum of its proper divisors (232349412915).

403554243213 is a wasteful number, since it uses less digits than its factorization.

403554243213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076305504 (or 4076305501 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 403554243213 its reverse (312342455304), we get a palindrome (715896698517).

The spelling of 403554243213 in words is "four hundred three billion, five hundred fifty-four million, two hundred forty-three thousand, two hundred thirteen".