2154134414413 has 2 divisors, whose sum is σ = 2154134414414. Its totient is φ = 2154134414412.

The previous prime is 2154134414297. The next prime is 2154134414429. The reversal of 2154134414413 is 3144144314512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2060450672329 + 93683742084 = 1435427^2 + 306078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2154134414413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2154134414213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077067207206 + 1077067207207.

It is an arithmetic number, because the mean of its divisors is an integer number (1077067207207).

Almost surely, 2^{2154134414413} is an apocalyptic number.

It is an amenable number.

2154134414413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154134414413 is an equidigital number, since it uses as much as digits as its factorization.

2154134414413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 37.

Adding to 2154134414413 its reverse (3144144314512), we get a palindrome (5298278728925).

Subtracting 2154134414413 from its reverse (3144144314512), we obtain a palindrome (990009900099).

The spelling of 2154134414413 in words is "two trillion, one hundred fifty-four billion, one hundred thirty-four million, four hundred fourteen thousand, four hundred thirteen".