72471050053 has 2 divisors, whose sum is σ = 72471050054. Its totient is φ = 72471050052.

The previous prime is 72471049969. The next prime is 72471050077. The reversal of 72471050053 is 35005017427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68674395364 + 3796654689 = 262058^2 + 61617^2 .

It is an emirp because it is prime and its reverse (35005017427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72471050053 - 2¹³ = 72471041861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72471050153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36235525026 + 36235525027.

It is an arithmetic number, because the mean of its divisors is an integer number (36235525027).

Almost surely, 2^72471050053 is an apocalyptic number.

It is an amenable number.

72471050053 is a deficient number, since it is larger than the sum of its proper divisors (1).

72471050053 is an equidigital number, since it uses as much as digits as its factorization.

72471050053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 34.

The spelling of 72471050053 in words is "seventy-two billion, four hundred seventy-one million, fifty thousand, fifty-three".