104525476421 has 2 divisors, whose sum is σ = 104525476422. Its totient is φ = 104525476420.

The previous prime is 104525476409. The next prime is 104525476423. The reversal of 104525476421 is 124674525401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62293171396 + 42232305025 = 249586^2 + 205505^2 .

It is a cyclic number.

It is not a de Polignac number, because 104525476421 - 2²⁶ = 104458367557 is a prime.

Together with 104525476423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104525476423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52262738210 + 52262738211.

It is an arithmetic number, because the mean of its divisors is an integer number (52262738211).

Almost surely, 2^104525476421 is an apocalyptic number.

It is an amenable number.

104525476421 is a deficient number, since it is larger than the sum of its proper divisors (1).

104525476421 is an equidigital number, since it uses as much as digits as its factorization.

104525476421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 104525476421 in words is "one hundred four billion, five hundred twenty-five million, four hundred seventy-six thousand, four hundred twenty-one".