400036107397 has 2 divisors, whose sum is σ = 400036107398. Its totient is φ = 400036107396.

The previous prime is 400036107349. The next prime is 400036107403. The reversal of 400036107397 is 793701630004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 332422586721 + 67613520676 = 576561^2 + 260026^2 .

It is a cyclic number.

It is not a de Polignac number, because 400036107397 - 2⁷ = 400036107269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400036107337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200018053698 + 200018053699.

It is an arithmetic number, because the mean of its divisors is an integer number (200018053699).

Almost surely, 2^400036107397 is an apocalyptic number.

It is an amenable number.

400036107397 is a deficient number, since it is larger than the sum of its proper divisors (1).

400036107397 is an equidigital number, since it uses as much as digits as its factorization.

400036107397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 40.

The spelling of 400036107397 in words is "four hundred billion, thirty-six million, one hundred seven thousand, three hundred ninety-seven".