101040401393 has 2 divisors, whose sum is σ = 101040401394. Its totient is φ = 101040401392.

The previous prime is 101040401387. The next prime is 101040401447. The reversal of 101040401393 is 393104040101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99516904369 + 1523497024 = 315463^2 + 39032^2 .

It is a cyclic number.

It is not a de Polignac number, because 101040401393 - 2⁴ = 101040401377 is a prime.

It is not a weakly prime, because it can be changed into another prime (101040401593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50520200696 + 50520200697.

It is an arithmetic number, because the mean of its divisors is an integer number (50520200697).

Almost surely, 2^101040401393 is an apocalyptic number.

It is an amenable number.

101040401393 is a deficient number, since it is larger than the sum of its proper divisors (1).

101040401393 is an equidigital number, since it uses as much as digits as its factorization.

101040401393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 101040401393 its reverse (393104040101), we get a palindrome (494144441494).

The spelling of 101040401393 in words is "one hundred one billion, forty million, four hundred one thousand, three hundred ninety-three".