5478826421051 has 4 divisors (see below), whose sum is σ = 5480679256752. Its totient is φ = 5476973585352.

The previous prime is 5478826420981. The next prime is 5478826421059. The reversal of 5478826421051 is 1501246288745.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5478826421051 - 2¹⁸ = 5478826158907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5478826420984 and 5478826421002.

It is not an unprimeable number, because it can be changed into a prime (5478826421059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926413415 + ... + 926419328.

It is an arithmetic number, because the mean of its divisors is an integer number (1370169814188).

Almost surely, 2^{5478826421051} is an apocalyptic number.

5478826421051 is a deficient number, since it is larger than the sum of its proper divisors (1852835701).

5478826421051 is a wasteful number, since it uses less digits than its factorization.

5478826421051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852835700.

The product of its (nonzero) digits is 4300800, while the sum is 53.

The spelling of 5478826421051 in words is "five trillion, four hundred seventy-eight billion, eight hundred twenty-six million, four hundred twenty-one thousand, fifty-one".