5401597973 has 2 divisors, whose sum is σ = 5401597974. Its totient is φ = 5401597972.

The previous prime is 5401597891. The next prime is 5401597991. The reversal of 5401597973 is 3797951045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4645512964 + 756085009 = 68158^2 + 27497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5401597973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5401591973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700798986 + 2700798987.

It is an arithmetic number, because the mean of its divisors is an integer number (2700798987).

Almost surely, 2^5401597973 is an apocalyptic number.

It is an amenable number.

5401597973 is a deficient number, since it is larger than the sum of its proper divisors (1).

5401597973 is an equidigital number, since it uses as much as digits as its factorization.

5401597973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1190700, while the sum is 50.

The square root of 5401597973 is about 73495.5643083309. The cubic root of 5401597973 is about 1754.5836814676.

The spelling of 5401597973 in words is "five billion, four hundred one million, five hundred ninety-seven thousand, nine hundred seventy-three".