2153626010321 has 4 divisors (see below), whose sum is σ = 2160016592292. Its totient is φ = 2147235428352.

The previous prime is 2153626010299. The next prime is 2153626010351. The reversal of 2153626010321 is 1230106263512.

It is a happy number.

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 1264075224721 + 889550785600 = 1124311^2 + 943160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153626010321 is a prime.

It is a super-2 number, since 2×2153626010321² (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 (2153626010351) 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, 3195290480 + ... + 3195291153.

It is an arithmetic number, because the mean of its divisors is an integer number (540004148073).

Almost surely, 2^{2153626010321} is an apocalyptic number.

It is an amenable number.

2153626010321 is a deficient number, since it is larger than the sum of its proper divisors (6390581971).

2153626010321 is an equidigital number, since it uses as much as digits as its factorization.

2153626010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390581970.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 2153626010321 in words is "two trillion, one hundred fifty-three billion, six hundred twenty-six million, ten thousand, three hundred twenty-one".