38871065517442 has 8 divisors (see below), whose sum is σ = 59105318800716. Its totient is φ = 19169292583872.

The previous prime is 38871065517439. The next prime is 38871065517451. The reversal of 38871065517442 is 24471556017883.

It can be written as a sum of positive squares in 2 ways, for example, as 34988514481881 + 3882551035561 = 5915109^2 + 1970419^2 .

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

It is a super-2 number, since 2×38871065517442² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133120087243 + ... + 133120087534.

Almost surely, 2^{38871065517442} is an apocalyptic number.

38871065517442 is a deficient number, since it is larger than the sum of its proper divisors (20234253283274).

38871065517442 is a wasteful number, since it uses less digits than its factorization.

38871065517442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266240174852.

The product of its (nonzero) digits is 45158400, while the sum is 61.

The spelling of 38871065517442 in words is "thirty-eight trillion, eight hundred seventy-one billion, sixty-five million, five hundred seventeen thousand, four hundred forty-two".