543905492157 has 6 divisors (see below), whose sum is σ = 785641266462. Its totient is φ = 362603661432.

The previous prime is 543905492153. The next prime is 543905492203. The reversal of 543905492157 is 751294509345.

543905492157 is a `hidden beast` number, since 5 + 4 + 3 + 90 + 549 + 2 + 1 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 527045508441 + 16859983716 = 725979^2 + 129846^2 .

It is not a de Polignac number, because 543905492157 - 2² = 543905492153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543905492153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30216971778 + ... + 30216971795.

It is an arithmetic number, because the mean of its divisors is an integer number (130940211077).

Almost surely, 2^543905492157 is an apocalyptic number.

It is an amenable number.

543905492157 is a deficient number, since it is larger than the sum of its proper divisors (241735774305).

543905492157 is a wasteful number, since it uses less digits than its factorization.

543905492157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60433943579 (or 60433943576 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

The spelling of 543905492157 in words is "five hundred forty-three billion, nine hundred five million, four hundred ninety-two thousand, one hundred fifty-seven".