475438977571 has 2 divisors, whose sum is σ = 475438977572. Its totient is φ = 475438977570.

The previous prime is 475438977553. The next prime is 475438977583. The reversal of 475438977571 is 175779834574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475438977571 - 2⁹ = 475438977059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 475438977497 and 475438977506.

It is not a weakly prime, because it can be changed into another prime (475438977511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237719488785 + 237719488786.

It is an arithmetic number, because the mean of its divisors is an integer number (237719488786).

Almost surely, 2^475438977571 is an apocalyptic number.

475438977571 is a deficient number, since it is larger than the sum of its proper divisors (1).

475438977571 is an equidigital number, since it uses as much as digits as its factorization.

475438977571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207446400, while the sum is 67.

The spelling of 475438977571 in words is "four hundred seventy-five billion, four hundred thirty-eight million, nine hundred seventy-seven thousand, five hundred seventy-one".