2273378652451 has 2 divisors, whose sum is σ = 2273378652452. Its totient is φ = 2273378652450.

The previous prime is 2273378652449. The next prime is 2273378652481. The reversal of 2273378652451 is 1542568733722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2273378652451 - 2¹ = 2273378652449 is a prime.

Together with 2273378652449, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2273378652392 and 2273378652401.

It is not a weakly prime, because it can be changed into another prime (2273378652431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136689326225 + 1136689326226.

It is an arithmetic number, because the mean of its divisors is an integer number (1136689326226).

Almost surely, 2^{2273378652451} is an apocalyptic number.

2273378652451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273378652451 is an equidigital number, since it uses as much as digits as its factorization.

2273378652451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16934400, while the sum is 55.

It can be divided in two parts, 227337 and 8652451, that added together give a palindrome (8879788).

The spelling of 2273378652451 in words is "two trillion, two hundred seventy-three billion, three hundred seventy-eight million, six hundred fifty-two thousand, four hundred fifty-one".