2573398428881 has 4 divisors (see below), whose sum is σ = 2941026775872. Its totient is φ = 2205770081892.

The previous prime is 2573398428869. The next prime is 2573398428883. The reversal of 2573398428881 is 1888248933752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2573398428881 - 2²² = 2573394234577 is a prime.

It is a super-2 number, since 2×2573398428881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2573398428883) 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, 183814173485 + ... + 183814173498.

It is an arithmetic number, because the mean of its divisors is an integer number (735256693968).

Almost surely, 2^{2573398428881} is an apocalyptic number.

It is an amenable number.

2573398428881 is a deficient number, since it is larger than the sum of its proper divisors (367628346991).

2573398428881 is an equidigital number, since it uses as much as digits as its factorization.

2573398428881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367628346990.

The product of its digits is 185794560, while the sum is 68.

The spelling of 2573398428881 in words is "two trillion, five hundred seventy-three billion, three hundred ninety-eight million, four hundred twenty-eight thousand, eight hundred eighty-one".