2122453654357 has 2 divisors, whose sum is σ = 2122453654358. Its totient is φ = 2122453654356.

The previous prime is 2122453654291. The next prime is 2122453654361. The reversal of 2122453654357 is 7534563542212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1130545219441 + 991908434916 = 1063271^2 + 995946^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122453654357 - 2²³ = 2122445265749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122453654357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122453654367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061226827178 + 1061226827179.

It is an arithmetic number, because the mean of its divisors is an integer number (1061226827179).

Almost surely, 2^{2122453654357} is an apocalyptic number.

It is an amenable number.

2122453654357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122453654357 is an equidigital number, since it uses as much as digits as its factorization.

2122453654357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048000, while the sum is 49.

The spelling of 2122453654357 in words is "two trillion, one hundred twenty-two billion, four hundred fifty-three million, six hundred fifty-four thousand, three hundred fifty-seven".