50209953461 has 2 divisors, whose sum is σ = 50209953462. Its totient is φ = 50209953460.

The previous prime is 50209953439. The next prime is 50209953467. The reversal of 50209953461 is 16435990205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49359064561 + 850888900 = 222169^2 + 29170^2 .

It is a cyclic number.

It is not a de Polignac number, because 50209953461 - 2²² = 50205759157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50209953467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25104976730 + 25104976731.

It is an arithmetic number, because the mean of its divisors is an integer number (25104976731).

Almost surely, 2^50209953461 is an apocalyptic number.

It is an amenable number.

50209953461 is a deficient number, since it is larger than the sum of its proper divisors (1).

50209953461 is an equidigital number, since it uses as much as digits as its factorization.

50209953461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 50209953461 in words is "fifty billion, two hundred nine million, nine hundred fifty-three thousand, four hundred sixty-one".