40927087813 has 2 divisors, whose sum is σ = 40927087814. Its totient is φ = 40927087812.

The previous prime is 40927087811. The next prime is 40927087849. The reversal of 40927087813 is 31878072904.

40927087813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39514681089 + 1412406724 = 198783^2 + 37582^2 .

It is a cyclic number.

It is not a de Polignac number, because 40927087813 - 2¹ = 40927087811 is a prime.

Together with 40927087811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40927087811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20463543906 + 20463543907.

It is an arithmetic number, because the mean of its divisors is an integer number (20463543907).

Almost surely, 2^40927087813 is an apocalyptic number.

It is an amenable number.

40927087813 is a deficient number, since it is larger than the sum of its proper divisors (1).

40927087813 is an equidigital number, since it uses as much as digits as its factorization.

40927087813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 40927087813 in words is "forty billion, nine hundred twenty-seven million, eighty-seven thousand, eight hundred thirteen".