555109773423 has 32 divisors (see below), whose sum is σ = 758544486912. Its totient is φ = 360996249600.

The previous prime is 555109773419. The next prime is 555109773457. The reversal of 555109773423 is 324377901555.

It is a happy number.

It is not a de Polignac number, because 555109773423 - 2² = 555109773419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555109723423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13867828 + ... + 13907798.

It is an arithmetic number, because the mean of its divisors is an integer number (23704515216).

Almost surely, 2^555109773423 is an apocalyptic number.

555109773423 is a deficient number, since it is larger than the sum of its proper divisors (203434713489).

555109773423 is a wasteful number, since it uses less digits than its factorization.

555109773423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40735.

The product of its (nonzero) digits is 3969000, while the sum is 51.

The spelling of 555109773423 in words is "five hundred fifty-five billion, one hundred nine million, seven hundred seventy-three thousand, four hundred twenty-three".