5131450619686 has 16 divisors (see below), whose sum is σ = 8046101931264. Its totient is φ = 2449812925384.

The previous prime is 5131450619677. The next prime is 5131450619723. The reversal of 5131450619686 is 6869160541315.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 99044506 + ... + 99096301.

It is an arithmetic number, because the mean of its divisors is an integer number (502881370704).

Almost surely, 2^{5131450619686} is an apocalyptic number.

5131450619686 is a deficient number, since it is larger than the sum of its proper divisors (2914651311578).

5131450619686 is a wasteful number, since it uses less digits than its factorization.

5131450619686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198141395.

The product of its (nonzero) digits is 4665600, while the sum is 55.

It can be divided in two parts, 5131450 and 619686, that added together give a triangular number (5751136 = T₃₃₉₁).

The spelling of 5131450619686 in words is "five trillion, one hundred thirty-one billion, four hundred fifty million, six hundred nineteen thousand, six hundred eighty-six".