1234213451413 has 4 divisors (see below), whose sum is σ = 1251120485068. Its totient is φ = 1217306417760.

The previous prime is 1234213451377. The next prime is 1234213451473. The reversal of 1234213451413 is 3141543124321.

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 609762642129 + 624450809284 = 780873^2 + 790222^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234213451413 - 2²¹ = 1234211354261 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 (1234213451473) 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, 8453516718 + ... + 8453516863.

It is an arithmetic number, because the mean of its divisors is an integer number (312780121267).

Almost surely, 2^{1234213451413} is an apocalyptic number.

It is an amenable number.

1234213451413 is a deficient number, since it is larger than the sum of its proper divisors (16907033655).

1234213451413 is an equidigital number, since it uses as much as digits as its factorization.

1234213451413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16907033654.

The product of its digits is 34560, while the sum is 34.

Adding to 1234213451413 its reverse (3141543124321), we get a palindrome (4375756575734).

The spelling of 1234213451413 in words is "one trillion, two hundred thirty-four billion, two hundred thirteen million, four hundred fifty-one thousand, four hundred thirteen".