40999999999693 has 16 divisors (see below), whose sum is σ = 47013070366080. Its totient is φ = 35026009767936.

The previous prime is 40999999999691. The next prime is 40999999999723. The reversal of 40999999999693 is 39699999999904.

It is a cyclic number.

It is not a de Polignac number, because 40999999999693 - 2¹ = 40999999999691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40999999999592 and 40999999999601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40999999999691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915853 + ... + 9101581.

It is an arithmetic number, because the mean of its divisors is an integer number (2938316897880).

Almost surely, 2^{40999999999693} is an apocalyptic number.

It is an amenable number.

40999999999693 is a deficient number, since it is larger than the sum of its proper divisors (6013070366387).

40999999999693 is a wasteful number, since it uses less digits than its factorization.

40999999999693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8188116.

The product of its (nonzero) digits is 251048476872, while the sum is 103.

The spelling of 40999999999693 in words is "forty trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, six hundred ninety-three".