1987315502933 has 8 divisors (see below), whose sum is σ = 2047589531520. Its totient is φ = 1927386884880.

The previous prime is 1987315502923. The next prime is 1987315502969. The reversal of 1987315502933 is 3392055137891.

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

It is a cyclic number.

It is not a de Polignac number, because 1987315502933 - 2⁸ = 1987315502677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1987315502903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86340953 + ... + 86363966.

It is an arithmetic number, because the mean of its divisors is an integer number (255948691440).

Almost surely, 2^{1987315502933} is an apocalyptic number.

It is an amenable number.

1987315502933 is a deficient number, since it is larger than the sum of its proper divisors (60274028587).

1987315502933 is a wasteful number, since it uses less digits than its factorization.

1987315502933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172705267.

The product of its (nonzero) digits is 6123600, while the sum is 56.

The spelling of 1987315502933 in words is "one trillion, nine hundred eighty-seven billion, three hundred fifteen million, five hundred two thousand, nine hundred thirty-three".