380555128753 has 4 divisors (see below), whose sum is σ = 402940724580. Its totient is φ = 358169532928.

The previous prime is 380555128721. The next prime is 380555128771. The reversal of 380555128753 is 357821555083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 357821555083 = 503 ⋅711374861.

It can be written as a sum of positive squares in 2 ways, for example, as 150301985344 + 230253143409 = 387688^2 + 479847^2 .

It is a cyclic number.

It is not a de Polignac number, because 380555128753 - 2⁵ = 380555128721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 380555128753.

It is not an unprimeable number, because it can be changed into a prime (380555128853) 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, 11192797888 + ... + 11192797921.

It is an arithmetic number, because the mean of its divisors is an integer number (100735181145).

Almost surely, 2^380555128753 is an apocalyptic number.

It is an amenable number.

380555128753 is a deficient number, since it is larger than the sum of its proper divisors (22385595827).

380555128753 is a wasteful number, since it uses less digits than its factorization.

380555128753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22385595826.

The product of its (nonzero) digits is 5040000, while the sum is 52.

The spelling of 380555128753 in words is "three hundred eighty billion, five hundred fifty-five million, one hundred twenty-eight thousand, seven hundred fifty-three".