40977100093 has 2 divisors, whose sum is σ = 40977100094. Its totient is φ = 40977100092.

The previous prime is 40977100061. The next prime is 40977100111. The reversal of 40977100093 is 39000177904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36323404569 + 4653695524 = 190587^2 + 68218^2 .

It is a cyclic number.

It is not a de Polignac number, because 40977100093 - 2⁵ = 40977100061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40977100693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20488550046 + 20488550047.

It is an arithmetic number, because the mean of its divisors is an integer number (20488550047).

Almost surely, 2^40977100093 is an apocalyptic number.

It is an amenable number.

40977100093 is a deficient number, since it is larger than the sum of its proper divisors (1).

40977100093 is an equidigital number, since it uses as much as digits as its factorization.

40977100093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

Adding to 40977100093 its reverse (39000177904), we get a palindrome (79977277997).

The spelling of 40977100093 in words is "forty billion, nine hundred seventy-seven million, one hundred thousand, ninety-three".