545331979349 has 2 divisors, whose sum is σ = 545331979350. Its totient is φ = 545331979348.

The previous prime is 545331979333. The next prime is 545331979391. The reversal of 545331979349 is 943979133545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 521897880625 + 23434098724 = 722425^2 + 153082^2 .

It is a cyclic number.

It is not a de Polignac number, because 545331979349 - 2⁴ = 545331979333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545331979291 and 545331979300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545331979249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272665989674 + 272665989675.

It is an arithmetic number, because the mean of its divisors is an integer number (272665989675).

Almost surely, 2^545331979349 is an apocalyptic number.

It is an amenable number.

545331979349 is a deficient number, since it is larger than the sum of its proper divisors (1).

545331979349 is an equidigital number, since it uses as much as digits as its factorization.

545331979349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55112400, while the sum is 62.

The spelling of 545331979349 in words is "five hundred forty-five billion, three hundred thirty-one million, nine hundred seventy-nine thousand, three hundred forty-nine".