63274858538 has 8 divisors (see below), whose sum is σ = 99038909088. Its totient is φ = 30261888844.

The previous prime is 63274858481. The next prime is 63274858571. The reversal of 63274858538 is 83585847236.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×63274858538² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687770156 + ... + 687770247.

It is an arithmetic number, because the mean of its divisors is an integer number (12379863636).

Almost surely, 2^63274858538 is an apocalyptic number.

63274858538 is a deficient number, since it is larger than the sum of its proper divisors (35764050550).

63274858538 is a wasteful number, since it uses less digits than its factorization.

63274858538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375540428.

The product of its digits is 38707200, while the sum is 59.

The spelling of 63274858538 in words is "sixty-three billion, two hundred seventy-four million, eight hundred fifty-eight thousand, five hundred thirty-eight".