545360654261 has 4 divisors (see below), whose sum is σ = 545366991852. Its totient is φ = 545354316672.

The previous prime is 545360654257. The next prime is 545360654269. The reversal of 545360654261 is 162456063545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114277802500 + 431082851761 = 338050^2 + 656569^2 .

It is a cyclic number.

It is not a de Polignac number, because 545360654261 - 2² = 545360654257 is a prime.

It is a super-2 number, since 2×545360654261² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545360654269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3037916 + ... + 3212421.

It is an arithmetic number, because the mean of its divisors is an integer number (136341747963).

Almost surely, 2^545360654261 is an apocalyptic number.

It is an amenable number.

545360654261 is a deficient number, since it is larger than the sum of its proper divisors (6337591).

545360654261 is an equidigital number, since it uses as much as digits as its factorization.

545360654261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6337590.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 545360654261 in words is "five hundred forty-five billion, three hundred sixty million, six hundred fifty-four thousand, two hundred sixty-one".