2355456501973 has 2 divisors, whose sum is σ = 2355456501974. Its totient is φ = 2355456501972.

The previous prime is 2355456501967. The next prime is 2355456502033. The reversal of 2355456501973 is 3791056545532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1569365024049 + 786091477924 = 1252743^2 + 886618^2 .

It is a cyclic number.

It is not a de Polignac number, because 2355456501973 - 2¹³ = 2355456493781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2355456571973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177728250986 + 1177728250987.

It is an arithmetic number, because the mean of its divisors is an integer number (1177728250987).

Almost surely, 2^{2355456501973} is an apocalyptic number.

It is an amenable number.

2355456501973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2355456501973 is an equidigital number, since it uses as much as digits as its factorization.

2355456501973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010000, while the sum is 55.

The spelling of 2355456501973 in words is "two trillion, three hundred fifty-five billion, four hundred fifty-six million, five hundred one thousand, nine hundred seventy-three".