5421986697946 has 48 divisors (see below), whose sum is σ = 10283788934496. Its totient is φ = 2124915345504.

The previous prime is 5421986697943. The next prime is 5421986697947. The reversal of 5421986697946 is 6497966891245.

It is not an unprimeable number, because it can be changed into a prime (5421986697943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19750956 + ... + 20023591.

It is an arithmetic number, because the mean of its divisors is an integer number (214245602802).

Almost surely, 2^{5421986697946} is an apocalyptic number.

5421986697946 is a deficient number, since it is larger than the sum of its proper divisors (4861802236550).

5421986697946 is a wasteful number, since it uses less digits than its factorization.

5421986697946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39774683 (or 39774676 counting only the distinct ones).

The product of its digits is 1410877440, while the sum is 76.

The spelling of 5421986697946 in words is "five trillion, four hundred twenty-one billion, nine hundred eighty-six million, six hundred ninety-seven thousand, nine hundred forty-six".