475982146437139 has 2 divisors, whose sum is σ = 475982146437140. Its totient is φ = 475982146437138.

The previous prime is 475982146437103. The next prime is 475982146437167. The reversal of 475982146437139 is 931734641289574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475982146437139 - 2¹⁷ = 475982146306067 is a prime.

It is not a weakly prime, because it can be changed into another prime (475982186437139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237991073218569 + 237991073218570.

It is an arithmetic number, because the mean of its divisors is an integer number (237991073218570).

Almost surely, 2^{475982146437139} is an apocalyptic number.

475982146437139 is a deficient number, since it is larger than the sum of its proper divisors (1).

475982146437139 is an equidigital number, since it uses as much as digits as its factorization.

475982146437139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1097349120, while the sum is 73.

The spelling of 475982146437139 in words is "four hundred seventy-five trillion, nine hundred eighty-two billion, one hundred forty-six million, four hundred thirty-seven thousand, one hundred thirty-nine".