40719419249 has 2 divisors, whose sum is σ = 40719419250. Its totient is φ = 40719419248.

The previous prime is 40719419189. The next prime is 40719419287. The reversal of 40719419249 is 94291491704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37236649024 + 3482770225 = 192968^2 + 59015^2 .

It is a cyclic number.

It is not a de Polignac number, because 40719419249 - 2¹² = 40719415153 is a prime.

It is a super-2 number, since 2×40719419249² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40719419197 and 40719419206.

It is not a weakly prime, because it can be changed into another prime (40719419849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20359709624 + 20359709625.

It is an arithmetic number, because the mean of its divisors is an integer number (20359709625).

Almost surely, 2^40719419249 is an apocalyptic number.

It is an amenable number.

40719419249 is a deficient number, since it is larger than the sum of its proper divisors (1).

40719419249 is an equidigital number, since it uses as much as digits as its factorization.

40719419249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 40719419249 in words is "forty billion, seven hundred nineteen million, four hundred nineteen thousand, two hundred forty-nine".