545520936761 has 2 divisors, whose sum is σ = 545520936762. Its totient is φ = 545520936760.

The previous prime is 545520936691. The next prime is 545520936799. The reversal of 545520936761 is 167639025545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 541997802025 + 3523134736 = 736205^2 + 59356^2 .

It is a cyclic number.

It is not a de Polignac number, because 545520936761 - 2¹⁰ = 545520935737 is a prime.

It is a super-2 number, since 2×545520936761² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (545520936661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272760468380 + 272760468381.

It is an arithmetic number, because the mean of its divisors is an integer number (272760468381).

Almost surely, 2^545520936761 is an apocalyptic number.

It is an amenable number.

545520936761 is a deficient number, since it is larger than the sum of its proper divisors (1).

545520936761 is an equidigital number, since it uses as much as digits as its factorization.

545520936761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 545520936761 in words is "five hundred forty-five billion, five hundred twenty million, nine hundred thirty-six thousand, seven hundred sixty-one".