2145004411213 has 2 divisors, whose sum is σ = 2145004411214. Its totient is φ = 2145004411212.

The previous prime is 2145004411189. The next prime is 2145004411219. The reversal of 2145004411213 is 3121144005412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1670871634884 + 474132776329 = 1292622^2 + 688573^2 .

It is a cyclic number.

It is not a de Polignac number, because 2145004411213 - 2¹⁷ = 2145004280141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145004411219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072502205606 + 1072502205607.

It is an arithmetic number, because the mean of its divisors is an integer number (1072502205607).

Almost surely, 2^{2145004411213} is an apocalyptic number.

It is an amenable number.

2145004411213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145004411213 is an equidigital number, since it uses as much as digits as its factorization.

2145004411213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 2145004411213 its reverse (3121144005412), we get a palindrome (5266148416625).

The spelling of 2145004411213 in words is "two trillion, one hundred forty-five billion, four million, four hundred eleven thousand, two hundred thirteen".