2153737373603 has 4 divisors (see below), whose sum is σ = 2153746134408. Its totient is φ = 2153728612800.

The previous prime is 2153737373573. The next prime is 2153737373653. The reversal of 2153737373603 is 3063737373512.

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

It is a cyclic number.

It is not a de Polignac number, because 2153737373603 - 2¹⁶ = 2153737308067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153737373653) 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, 4000673 + ... + 4506978.

It is an arithmetic number, because the mean of its divisors is an integer number (538436533602).

Almost surely, 2^{2153737373603} is an apocalyptic number.

2153737373603 is a deficient number, since it is larger than the sum of its proper divisors (8760805).

2153737373603 is an equidigital number, since it uses as much as digits as its factorization.

2153737373603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8760804.

The product of its (nonzero) digits is 5000940, while the sum is 50.

Subtracting 2153737373603 from its reverse (3063737373512), we obtain a palindrome (909999999909).

The spelling of 2153737373603 in words is "two trillion, one hundred fifty-three billion, seven hundred thirty-seven million, three hundred seventy-three thousand, six hundred three".