1987503164924 has 6 divisors (see below), whose sum is σ = 3478130538624. Its totient is φ = 993751582460.

The previous prime is 1987503164921. The next prime is 1987503164947. The reversal of 1987503164924 is 4294613057891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1987503164921) 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 as a sum of consecutive naturals, namely, 248437895612 + ... + 248437895619.

It is an arithmetic number, because the mean of its divisors is an integer number (579688423104).

It is a 1-persistent number, because it is pandigital, but 2⋅1987503164924 = 3975006329848 is not.

Almost surely, 2^{1987503164924} is an apocalyptic number.

It is an amenable number.

1987503164924 is a deficient number, since it is larger than the sum of its proper divisors (1490627373700).

1987503164924 is a wasteful number, since it uses less digits than its factorization.

1987503164924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496875791235 (or 496875791233 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 1987503164924 in words is "one trillion, nine hundred eighty-seven billion, five hundred three million, one hundred sixty-four thousand, nine hundred twenty-four".