15243441401 has 2 divisors, whose sum is σ = 15243441402. Its totient is φ = 15243441400.

The previous prime is 15243441397. The next prime is 15243441403. The reversal of 15243441401 is 10414434251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13636634176 + 1606807225 = 116776^2 + 40085^2 .

It is a cyclic number.

It is not a de Polignac number, because 15243441401 - 2² = 15243441397 is a prime.

Together with 15243441403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15243441403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7621720700 + 7621720701.

It is an arithmetic number, because the mean of its divisors is an integer number (7621720701).

Almost surely, 2^15243441401 is an apocalyptic number.

It is an amenable number.

15243441401 is a deficient number, since it is larger than the sum of its proper divisors (1).

15243441401 is an equidigital number, since it uses as much as digits as its factorization.

15243441401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 15243441401 its reverse (10414434251), we get a palindrome (25657875652).

The spelling of 15243441401 in words is "fifteen billion, two hundred forty-three million, four hundred forty-one thousand, four hundred one".