5406606373521 has 8 divisors (see below), whose sum is σ = 7522234954560. Its totient is φ = 3447691020752.

The previous prime is 5406606373507. The next prime is 5406606373529. The reversal of 5406606373521 is 1253736066045.

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 5406606373521 - 2⁹ = 5406606373009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5406606373529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39178306986 + ... + 39178307123.

It is an arithmetic number, because the mean of its divisors is an integer number (940279369320).

Almost surely, 2^{5406606373521} is an apocalyptic number.

It is an amenable number.

5406606373521 is a deficient number, since it is larger than the sum of its proper divisors (2115628581039).

5406606373521 is a wasteful number, since it uses less digits than its factorization.

5406606373521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78356614135.

The product of its (nonzero) digits is 2721600, while the sum is 48.

The spelling of 5406606373521 in words is "five trillion, four hundred six billion, six hundred six million, three hundred seventy-three thousand, five hundred twenty-one".