455929478773 has 2 divisors, whose sum is σ = 455929478774. Its totient is φ = 455929478772.

The previous prime is 455929478759. The next prime is 455929478789. The reversal of 455929478773 is 377874929554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418482197604 + 37447281169 = 646902^2 + 193513^2 .

It is a cyclic number.

It is not a de Polignac number, because 455929478773 - 2¹⁷ = 455929347701 is a prime.

It is a super-2 number, since 2×455929478773² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455929478273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227964739386 + 227964739387.

It is an arithmetic number, because the mean of its divisors is an integer number (227964739387).

Almost surely, 2^455929478773 is an apocalyptic number.

It is an amenable number.

455929478773 is a deficient number, since it is larger than the sum of its proper divisors (1).

455929478773 is an equidigital number, since it uses as much as digits as its factorization.

455929478773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 533433600, while the sum is 70.

The spelling of 455929478773 in words is "four hundred fifty-five billion, nine hundred twenty-nine million, four hundred seventy-eight thousand, seven hundred seventy-three".