4127631690489 has 4 divisors (see below), whose sum is σ = 5503508920656. Its totient is φ = 2751754460324.

The previous prime is 4127631690473. The next prime is 4127631690503. The reversal of 4127631690489 is 9840961367214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4127631690489 - 2⁴ = 4127631690473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4127631690419) 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, 687938615079 + ... + 687938615084.

It is an arithmetic number, because the mean of its divisors is an integer number (1375877230164).

Almost surely, 2^{4127631690489} is an apocalyptic number.

It is an amenable number.

4127631690489 is a deficient number, since it is larger than the sum of its proper divisors (1375877230167).

4127631690489 is a wasteful number, since it uses less digits than its factorization.

4127631690489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375877230166.

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 4127631690489 in words is "four trillion, one hundred twenty-seven billion, six hundred thirty-one million, six hundred ninety thousand, four hundred eighty-nine".