80348501533 has 2 divisors, whose sum is σ = 80348501534. Its totient is φ = 80348501532.

The previous prime is 80348501503. The next prime is 80348501537. The reversal of 80348501533 is 33510584308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71063830084 + 9284671449 = 266578^2 + 96357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80348501533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80348501537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40174250766 + 40174250767.

It is an arithmetic number, because the mean of its divisors is an integer number (40174250767).

Almost surely, 2^80348501533 is an apocalyptic number.

It is an amenable number.

80348501533 is a deficient number, since it is larger than the sum of its proper divisors (1).

80348501533 is an equidigital number, since it uses as much as digits as its factorization.

80348501533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 80348501533 in words is "eighty billion, three hundred forty-eight million, five hundred one thousand, five hundred thirty-three".