542653556563431 has 12 divisors (see below), whose sum is σ = 784080728202408. Its totient is φ = 361654662401424.

The previous prime is 542653556563397. The next prime is 542653556563439. The reversal of 542653556563431 is 134365655356245.

542653556563431 is a `hidden beast` number, since 5 + 4 + 2 + 6 + 5 + 3 + 5 + 565 + 6 + 34 + 31 = 666.

It is not a de Polignac number, because 542653556563431 - 2¹⁹ = 542653556039143 is a prime.

It is a super-2 number, since 2×542653556563431² (a number of 30 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542653556563439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9531245580 + ... + 9531302513.

It is an arithmetic number, because the mean of its divisors is an integer number (65340060683534).

Almost surely, 2^{542653556563431} is an apocalyptic number.

542653556563431 is a deficient number, since it is larger than the sum of its proper divisors (241427171638977).

542653556563431 is a wasteful number, since it uses less digits than its factorization.

542653556563431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19062551262 (or 19062551259 counting only the distinct ones).

The product of its digits is 583200000, while the sum is 63.

The spelling of 542653556563431 in words is "five hundred forty-two trillion, six hundred fifty-three billion, five hundred fifty-six million, five hundred sixty-three thousand, four hundred thirty-one".