542519668925 has 12 divisors (see below), whose sum is σ = 724472419860. Its totient is φ = 400629909120.

The previous prime is 542519668891. The next prime is 542519668937. The reversal of 542519668925 is 529866915245.

It can be written as a sum of positive squares in 6 ways, for example, as 141468511129 + 401051157796 = 376123^2 + 633286^2 .

It is not a de Polignac number, because 542519668925 - 2¹⁰ = 542519667901 is a prime.

It is a super-2 number, since 2×542519668925² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 834645320 + ... + 834645969.

It is an arithmetic number, because the mean of its divisors is an integer number (60372701655).

Almost surely, 2^542519668925 is an apocalyptic number.

It is an amenable number.

542519668925 is a deficient number, since it is larger than the sum of its proper divisors (181952750935).

542519668925 is a wasteful number, since it uses less digits than its factorization.

542519668925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669291312 (or 1669291307 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 62.

The spelling of 542519668925 in words is "five hundred forty-two billion, five hundred nineteen million, six hundred sixty-eight thousand, nine hundred twenty-five".