5426761997 has 2 divisors, whose sum is σ = 5426761998. Its totient is φ = 5426761996.

The previous prime is 5426761919. The next prime is 5426762023. The reversal of 5426761997 is 7991676245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5424469801 + 2292196 = 73651^2 + 1514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5426761997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5426761597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2713380998 + 2713380999.

It is an arithmetic number, because the mean of its divisors is an integer number (2713380999).

Almost surely, 2^5426761997 is an apocalyptic number.

It is an amenable number.

5426761997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5426761997 is an equidigital number, since it uses as much as digits as its factorization.

5426761997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 56.

The square root of 5426761997 is about 73666.5595572374. The cubic root of 5426761997 is about 1757.3041109801.

The spelling of 5426761997 in words is "five billion, four hundred twenty-six million, seven hundred sixty-one thousand, nine hundred ninety-seven".