50747546621 has 2 divisors, whose sum is σ = 50747546622. Its totient is φ = 50747546620.

The previous prime is 50747546569. The next prime is 50747546683. The reversal of 50747546621 is 12664574705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36217896100 + 14529650521 = 190310^2 + 120539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50747546621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50747540621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25373773310 + 25373773311.

It is an arithmetic number, because the mean of its divisors is an integer number (25373773311).

Almost surely, 2^50747546621 is an apocalyptic number.

It is an amenable number.

50747546621 is a deficient number, since it is larger than the sum of its proper divisors (1).

50747546621 is an equidigital number, since it uses as much as digits as its factorization.

50747546621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 50747546621 in words is "fifty billion, seven hundred forty-seven million, five hundred forty-six thousand, six hundred twenty-one".