2273378652455 has 4 divisors (see below), whose sum is σ = 2728054382952. Its totient is φ = 1818702921960.

The previous prime is 2273378652451. The next prime is 2273378652481. The reversal of 2273378652455 is 5542568733722.

It is a happy number.

2273378652455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2273378652455 - 2² = 2273378652451 is a prime.

It is a super-2 number, since 2×2273378652455² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2273378652394 and 2273378652403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273378652451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227337865241 + ... + 227337865250.

It is an arithmetic number, because the mean of its divisors is an integer number (682013595738).

Almost surely, 2^{2273378652455} is an apocalyptic number.

2273378652455 is a deficient number, since it is larger than the sum of its proper divisors (454675730497).

2273378652455 is an equidigital number, since it uses as much as digits as its factorization.

2273378652455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454675730496.

The product of its digits is 84672000, while the sum is 59.

The spelling of 2273378652455 in words is "two trillion, two hundred seventy-three billion, three hundred seventy-eight million, six hundred fifty-two thousand, four hundred fifty-five".