7000400053 has 2 divisors, whose sum is σ = 7000400054. Its totient is φ = 7000400052.

The previous prime is 7000400039. The next prime is 7000400087. The reversal of 7000400053 is 3500040007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5361607729 + 1638792324 = 73223^2 + 40482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7000400053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7000400053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7000400003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3500200026 + 3500200027.

It is an arithmetic number, because the mean of its divisors is an integer number (3500200027).

Almost surely, 2^7000400053 is an apocalyptic number.

It is an amenable number.

7000400053 is a deficient number, since it is larger than the sum of its proper divisors (1).

7000400053 is an equidigital number, since it uses as much as digits as its factorization.

7000400053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 7000400053 is about 83668.3933932043. The cubic root of 7000400053 is about 1912.9676236905.

The spelling of 7000400053 in words is "seven billion, four hundred thousand, fifty-three".