93144489401 has 2 divisors, whose sum is σ = 93144489402. Its totient is φ = 93144489400.

The previous prime is 93144489397. The next prime is 93144489461. The reversal of 93144489401 is 10498444139.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91252326400 + 1892163001 = 302080^2 + 43499^2 .

It is a cyclic number.

It is not a de Polignac number, because 93144489401 - 2² = 93144489397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (93144489461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46572244700 + 46572244701.

It is an arithmetic number, because the mean of its divisors is an integer number (46572244701).

Almost surely, 2^93144489401 is an apocalyptic number.

It is an amenable number.

93144489401 is a deficient number, since it is larger than the sum of its proper divisors (1).

93144489401 is an equidigital number, since it uses as much as digits as its factorization.

93144489401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 93144489401 in words is "ninety-three billion, one hundred forty-four million, four hundred eighty-nine thousand, four hundred one".