2153790973513 has 4 divisors (see below), whose sum is σ = 2161401542608. Its totient is φ = 2146180404420.

The previous prime is 2153790973493. The next prime is 2153790973517. The reversal of 2153790973513 is 3153790973512.

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 2153790973513 - 2⁹ = 2153790973001 is a prime.

It is a super-2 number, since 2×2153790973513² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153790973517) 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, 3805284123 + ... + 3805284688.

It is an arithmetic number, because the mean of its divisors is an integer number (540350385652).

Almost surely, 2^{2153790973513} is an apocalyptic number.

It is an amenable number.

2153790973513 is a deficient number, since it is larger than the sum of its proper divisors (7610569095).

2153790973513 is an equidigital number, since it uses as much as digits as its factorization.

2153790973513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7610569094.

The product of its (nonzero) digits is 5358150, while the sum is 55.

Subtracting 2153790973513 from its reverse (3153790973512), we obtain a palindrome (999999999999).

The spelling of 2153790973513 in words is "two trillion, one hundred fifty-three billion, seven hundred ninety million, nine hundred seventy-three thousand, five hundred thirteen".