51345004546453 has 2 divisors, whose sum is σ = 51345004546454. Its totient is φ = 51345004546452.

The previous prime is 51345004546361. The next prime is 51345004546489. The reversal of 51345004546453 is 35464540054315.

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., 51217825295569 + 127179250884 = 7156663^2 + 356622^2 .

It is a cyclic number.

It is not a de Polignac number, because 51345004546453 - 2⁹ = 51345004545941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51345004546397 and 51345004546406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51345004546753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25672502273226 + 25672502273227.

It is an arithmetic number, because the mean of its divisors is an integer number (25672502273227).

Almost surely, 2^{51345004546453} is an apocalyptic number.

It is an amenable number.

51345004546453 is a deficient number, since it is larger than the sum of its proper divisors (1).

51345004546453 is an equidigital number, since it uses as much as digits as its factorization.

51345004546453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640000, while the sum is 49.

The spelling of 51345004546453 in words is "fifty-one trillion, three hundred forty-five billion, four million, five hundred forty-six thousand, four hundred fifty-three".