2151210353343 has 8 divisors (see below), whose sum is σ = 2871748770048. Its totient is φ = 1432406086104.

The previous prime is 2151210353269. The next prime is 2151210353351. The reversal of 2151210353343 is 3433530121512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2151210353343 - 2¹² = 2151210349247 is a prime.

It is a super-2 number, since 2×2151210353343² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151210353363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433534471 + ... + 433539432.

It is an arithmetic number, because the mean of its divisors is an integer number (358968596256).

Almost surely, 2^{2151210353343} is an apocalyptic number.

2151210353343 is a deficient number, since it is larger than the sum of its proper divisors (720538416705).

2151210353343 is an equidigital number, since it uses as much as digits as its factorization.

2151210353343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867074733.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 2151210353343 its reverse (3433530121512), we get a palindrome (5584740474855).

The spelling of 2151210353343 in words is "two trillion, one hundred fifty-one billion, two hundred ten million, three hundred fifty-three thousand, three hundred forty-three".