1687425247363 has 8 divisors (see below), whose sum is σ = 1688929532048. Its totient is φ = 1685921278464.

The previous prime is 1687425247357. The next prime is 1687425247381. The reversal of 1687425247363 is 3637425247861.

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 1687425247363 - 2²¹ = 1687423150211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1687425247298 and 1687425247307.

It is not an unprimeable number, because it can be changed into a prime (1687425247463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11343595 + ... + 11491387.

It is an arithmetic number, because the mean of its divisors is an integer number (211116191506).

Almost surely, 2^{1687425247363} is an apocalyptic number.

1687425247363 is a deficient number, since it is larger than the sum of its proper divisors (1504284685).

1687425247363 is a wasteful number, since it uses less digits than its factorization.

1687425247363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157893.

The product of its digits is 40642560, while the sum is 58.

The spelling of 1687425247363 in words is "one trillion, six hundred eighty-seven billion, four hundred twenty-five million, two hundred forty-seven thousand, three hundred sixty-three".