7478200454401 has 2 divisors, whose sum is σ = 7478200454402. Its totient is φ = 7478200454400.

The previous prime is 7478200454399. The next prime is 7478200454407. The reversal of 7478200454401 is 1044540028747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5323176454401 + 2155024000000 = 2307201^2 + 1468000^2 .

It is a cyclic number.

It is not a de Polignac number, because 7478200454401 - 2¹ = 7478200454399 is a prime.

Together with 7478200454399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7478200454407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3739100227200 + 3739100227201.

It is an arithmetic number, because the mean of its divisors is an integer number (3739100227201).

Almost surely, 2^{7478200454401} is an apocalyptic number.

It is an amenable number.

7478200454401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7478200454401 is an equidigital number, since it uses as much as digits as its factorization.

7478200454401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1003520, while the sum is 46.

The spelling of 7478200454401 in words is "seven trillion, four hundred seventy-eight billion, two hundred million, four hundred fifty-four thousand, four hundred one".