502478079461 has 2 divisors, whose sum is σ = 502478079462. Its totient is φ = 502478079460.

The previous prime is 502478079457. The next prime is 502478079469. The reversal of 502478079461 is 164970874205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487317082561 + 15160996900 = 698081^2 + 123130^2 .

It is a cyclic number.

It is not a de Polignac number, because 502478079461 - 2² = 502478079457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502478079469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251239039730 + 251239039731.

It is an arithmetic number, because the mean of its divisors is an integer number (251239039731).

Almost surely, 2^502478079461 is an apocalyptic number.

It is an amenable number.

502478079461 is a deficient number, since it is larger than the sum of its proper divisors (1).

502478079461 is an equidigital number, since it uses as much as digits as its factorization.

502478079461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 502478079461 in words is "five hundred two billion, four hundred seventy-eight million, seventy-nine thousand, four hundred sixty-one".