101041245493 has 2 divisors, whose sum is σ = 101041245494. Its totient is φ = 101041245492.

The previous prime is 101041245479. The next prime is 101041245517. The reversal of 101041245493 is 394542140101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100464909444 + 576336049 = 316962^2 + 24007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101041245493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101041245413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50520622746 + 50520622747.

It is an arithmetic number, because the mean of its divisors is an integer number (50520622747).

Almost surely, 2^101041245493 is an apocalyptic number.

It is an amenable number.

101041245493 is a deficient number, since it is larger than the sum of its proper divisors (1).

101041245493 is an equidigital number, since it uses as much as digits as its factorization.

101041245493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 101041245493 its reverse (394542140101), we get a palindrome (495583385594).

The spelling of 101041245493 in words is "one hundred one billion, forty-one million, two hundred forty-five thousand, four hundred ninety-three".