2130604721057 has 4 divisors (see below), whose sum is σ = 2131133804976. Its totient is φ = 2130075637140.

The previous prime is 2130604721017. The next prime is 2130604721083. The reversal of 2130604721057 is 7501274060312.

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 2130604721057 - 2²⁶ = 2130537612193 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 2130604721057.

It is not an unprimeable number, because it can be changed into a prime (2130604721017) 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, 264535919 + ... + 264543972.

It is an arithmetic number, because the mean of its divisors is an integer number (532783451244).

Almost surely, 2^{2130604721057} is an apocalyptic number.

It is an amenable number.

2130604721057 is a deficient number, since it is larger than the sum of its proper divisors (529083919).

2130604721057 is an equidigital number, since it uses as much as digits as its factorization.

2130604721057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529083918.

The product of its (nonzero) digits is 70560, while the sum is 38.

Adding to 2130604721057 its reverse (7501274060312), we get a palindrome (9631878781369).

The spelling of 2130604721057 in words is "two trillion, one hundred thirty billion, six hundred four million, seven hundred twenty-one thousand, fifty-seven".