2273652788438 has 4 divisors (see below), whose sum is σ = 3410479182660. Its totient is φ = 1136826394218.

The previous prime is 2273652788371. The next prime is 2273652788479. The reversal of 2273652788438 is 8348872563722.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568413197108 + ... + 568413197111.

It is an arithmetic number, because the mean of its divisors is an integer number (852619795665).

Almost surely, 2^{2273652788438} is an apocalyptic number.

2273652788438 is a deficient number, since it is larger than the sum of its proper divisors (1136826394222).

2273652788438 is a wasteful number, since it uses less digits than its factorization.

2273652788438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136826394221.

The product of its digits is 216760320, while the sum is 65.

The spelling of 2273652788438 in words is "two trillion, two hundred seventy-three billion, six hundred fifty-two million, seven hundred eighty-eight thousand, four hundred thirty-eight".