40010967989 has 2 divisors, whose sum is σ = 40010967990. Its totient is φ = 40010967988.

The previous prime is 40010967973. The next prime is 40010968003. The reversal of 40010967989 is 98976901004.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29016396964 + 10994571025 = 170342^2 + 104855^2 .

It is a cyclic number.

It is not a de Polignac number, because 40010967989 - 2⁴ = 40010967973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40010967989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40010967929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20005483994 + 20005483995.

It is an arithmetic number, because the mean of its divisors is an integer number (20005483995).

Almost surely, 2^40010967989 is an apocalyptic number.

It is an amenable number.

40010967989 is a deficient number, since it is larger than the sum of its proper divisors (1).

40010967989 is an equidigital number, since it uses as much as digits as its factorization.

40010967989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 40010967989 in words is "forty billion, ten million, nine hundred sixty-seven thousand, nine hundred eighty-nine".