987413353919 has 4 divisors (see below), whose sum is σ = 987506613480. Its totient is φ = 987320094360.

The previous prime is 987413353907. The next prime is 987413353933. The reversal of 987413353919 is 919353314789.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 987413353919 - 2¹² = 987413349823 is a prime.

It is a super-2 number, since 2×987413353919² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987413353999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46613897 + ... + 46635074.

It is an arithmetic number, because the mean of its divisors is an integer number (246876653370).

Almost surely, 2^987413353919 is an apocalyptic number.

987413353919 is a deficient number, since it is larger than the sum of its proper divisors (93259561).

987413353919 is a wasteful number, since it uses less digits than its factorization.

987413353919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93259560.

The product of its digits is 22044960, while the sum is 62.

The spelling of 987413353919 in words is "nine hundred eighty-seven billion, four hundred thirteen million, three hundred fifty-three thousand, nine hundred nineteen".