542526133633466 has 4 divisors (see below), whose sum is σ = 813789200450202. Its totient is φ = 271263066816732.

The previous prime is 542526133633409. The next prime is 542526133633469. The reversal of 542526133633466 is 664336331625245.

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

It can be written as a sum of positive squares in only one way, i.e., 385838452558441 + 156687681075025 = 19642771^2 + 12517495^2 .

It is not an unprimeable number, because it can be changed into a prime (542526133633469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135631533408365 + ... + 135631533408368.

Almost surely, 2^{542526133633466} is an apocalyptic number.

542526133633466 is a deficient number, since it is larger than the sum of its proper divisors (271263066816736).

542526133633466 is a wasteful number, since it uses less digits than its factorization.

542526133633466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271263066816735.

The product of its digits is 167961600, while the sum is 59.

The spelling of 542526133633466 in words is "five hundred forty-two trillion, five hundred twenty-six billion, one hundred thirty-three million, six hundred thirty-three thousand, four hundred sixty-six".