40494600197 has 2 divisors, whose sum is σ = 40494600198. Its totient is φ = 40494600196.

The previous prime is 40494600191. The next prime is 40494600203. The reversal of 40494600197 is 79100649404.

It is a balanced prime because it is at equal distance from previous prime (40494600191) and next prime (40494600203).

It can be written as a sum of positive squares in only one way, i.e., 28872466561 + 11622133636 = 169919^2 + 107806^2 .

It is a cyclic number.

It is not a de Polignac number, because 40494600197 - 2⁸ = 40494599941 is a prime.

It is a super-2 number, since 2×40494600197² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40494600191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20247300098 + 20247300099.

It is an arithmetic number, because the mean of its divisors is an integer number (20247300099).

Almost surely, 2^40494600197 is an apocalyptic number.

It is an amenable number.

40494600197 is a deficient number, since it is larger than the sum of its proper divisors (1).

40494600197 is an equidigital number, since it uses as much as digits as its factorization.

40494600197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 40494600197 in words is "forty billion, four hundred ninety-four million, six hundred thousand, one hundred ninety-seven".