40099196861953 has 2 divisors, whose sum is σ = 40099196861954. Its totient is φ = 40099196861952.

The previous prime is 40099196861869. The next prime is 40099196862007. The reversal of 40099196861953 is 35916869199004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27660793978609 + 12438402883344 = 5259353^2 + 3526812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40099196861953 is a prime.

It is a super-2 number, since 2×40099196861953² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40099196861753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20049598430976 + 20049598430977.

It is an arithmetic number, because the mean of its divisors is an integer number (20049598430977).

Almost surely, 2^{40099196861953} is an apocalyptic number.

It is an amenable number.

40099196861953 is a deficient number, since it is larger than the sum of its proper divisors (1).

40099196861953 is an equidigital number, since it uses as much as digits as its factorization.

40099196861953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113374080, while the sum is 70.

The spelling of 40099196861953 in words is "forty trillion, ninety-nine billion, one hundred ninety-six million, eight hundred sixty-one thousand, nine hundred fifty-three".