474921689819 has 2 divisors, whose sum is σ = 474921689820. Its totient is φ = 474921689818.

The previous prime is 474921689791. The next prime is 474921689831. The reversal of 474921689819 is 918986129474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 474921689819 - 2²⁰ = 474920641243 is a prime.

It is a super-2 number, since 2×474921689819² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (474921689899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237460844909 + 237460844910.

It is an arithmetic number, because the mean of its divisors is an integer number (237460844910).

Almost surely, 2^474921689819 is an apocalyptic number.

474921689819 is a deficient number, since it is larger than the sum of its proper divisors (1).

474921689819 is an equidigital number, since it uses as much as digits as its factorization.

474921689819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62705664, while the sum is 68.

The spelling of 474921689819 in words is "four hundred seventy-four billion, nine hundred twenty-one million, six hundred eighty-nine thousand, eight hundred nineteen".