2153320350245 has 4 divisors (see below), whose sum is σ = 2583984420300. Its totient is φ = 1722656280192.

The previous prime is 2153320350199. The next prime is 2153320350277. The reversal of 2153320350245 is 5420530233512.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1047392590084 + 1105927760161 = 1023422^2 + 1051631^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153320350245 - 2³⁴ = 2136140481061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215332035020 + ... + 215332035029.

It is an arithmetic number, because the mean of its divisors is an integer number (645996105075).

Almost surely, 2^{2153320350245} is an apocalyptic number.

It is an amenable number.

2153320350245 is a deficient number, since it is larger than the sum of its proper divisors (430664070055).

2153320350245 is an equidigital number, since it uses as much as digits as its factorization.

2153320350245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430664070054.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 2153320350245 its reverse (5420530233512), we get a palindrome (7573850583757).

The spelling of 2153320350245 in words is "two trillion, one hundred fifty-three billion, three hundred twenty million, three hundred fifty thousand, two hundred forty-five".