80428571513 has 2 divisors, whose sum is σ = 80428571514. Its totient is φ = 80428571512.

The previous prime is 80428571479. The next prime is 80428571533. The reversal of 80428571513 is 31517582408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64210039609 + 16218531904 = 253397^2 + 127352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80428571513 is a prime.

It is not a weakly prime, because it can be changed into another prime (80428571533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40214285756 + 40214285757.

It is an arithmetic number, because the mean of its divisors is an integer number (40214285757).

Almost surely, 2^80428571513 is an apocalyptic number.

It is an amenable number.

80428571513 is a deficient number, since it is larger than the sum of its proper divisors (1).

80428571513 is an equidigital number, since it uses as much as digits as its factorization.

80428571513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 80428571513 in words is "eighty billion, four hundred twenty-eight million, five hundred seventy-one thousand, five hundred thirteen".