40954611749 has 2 divisors, whose sum is σ = 40954611750. Its totient is φ = 40954611748.

The previous prime is 40954611743. The next prime is 40954611791. The reversal of 40954611749 is 94711645904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40719204100 + 235407649 = 201790^2 + 15343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40954611749 is a prime.

It is a super-2 number, since 2×40954611749² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40954611697 and 40954611706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40954611743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20477305874 + 20477305875.

It is an arithmetic number, because the mean of its divisors is an integer number (20477305875).

Almost surely, 2^40954611749 is an apocalyptic number.

It is an amenable number.

40954611749 is a deficient number, since it is larger than the sum of its proper divisors (1).

40954611749 is an equidigital number, since it uses as much as digits as its factorization.

40954611749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 40954611749 in words is "forty billion, nine hundred fifty-four million, six hundred eleven thousand, seven hundred forty-nine".