40697301373 has 2 divisors, whose sum is σ = 40697301374. Its totient is φ = 40697301372.

The previous prime is 40697301353. The next prime is 40697301431. The reversal of 40697301373 is 37310379604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24644918169 + 16052383204 = 156987^2 + 126698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40697301373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40697301343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20348650686 + 20348650687.

It is an arithmetic number, because the mean of its divisors is an integer number (20348650687).

Almost surely, 2^40697301373 is an apocalyptic number.

It is an amenable number.

40697301373 is a deficient number, since it is larger than the sum of its proper divisors (1).

40697301373 is an equidigital number, since it uses as much as digits as its factorization.

40697301373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 43.

The spelling of 40697301373 in words is "forty billion, six hundred ninety-seven million, three hundred one thousand, three hundred seventy-three".