2273378652453 has 16 divisors (see below), whose sum is σ = 3087100733760. Its totient is φ = 1487697060096.

The previous prime is 2273378652451. The next prime is 2273378652481. The reversal of 2273378652453 is 3542568733722.

It is not a de Polignac number, because 2273378652453 - 2¹ = 2273378652451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2273378652393 and 2273378652402.

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 15 ways as a sum of consecutive naturals, for example, 9366100 + ... + 9605757.

It is an arithmetic number, because the mean of its divisors is an integer number (192943795860).

Almost surely, 2^{2273378652453} is an apocalyptic number.

It is an amenable number.

2273378652453 is a deficient number, since it is larger than the sum of its proper divisors (813722081307).

2273378652453 is a wasteful number, since it uses less digits than its factorization.

2273378652453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18972596.

The product of its digits is 50803200, while the sum is 57.

The spelling of 2273378652453 in words is "two trillion, two hundred seventy-three billion, three hundred seventy-eight million, six hundred fifty-two thousand, four hundred fifty-three".