80351000362621 has 2 divisors, whose sum is σ = 80351000362622. Its totient is φ = 80351000362620.

The previous prime is 80351000362573. The next prime is 80351000362637. The reversal of 80351000362621 is 12626300015308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66341595151225 + 14009405211396 = 8145035^2 + 3742914^2 .

It is a cyclic number.

It is not a de Polignac number, because 80351000362621 - 2²³ = 80350991974013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80351000362651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40175500181310 + 40175500181311.

It is an arithmetic number, because the mean of its divisors is an integer number (40175500181311).

Almost surely, 2^{80351000362621} is an apocalyptic number.

It is an amenable number.

80351000362621 is a deficient number, since it is larger than the sum of its proper divisors (1).

80351000362621 is an equidigital number, since it uses as much as digits as its factorization.

80351000362621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 80351000362621 its reverse (12626300015308), we get a palindrome (92977300377929).

The spelling of 80351000362621 in words is "eighty trillion, three hundred fifty-one billion, three hundred sixty-two thousand, six hundred twenty-one".