474396493 has 2 divisors, whose sum is σ = 474396494. Its totient is φ = 474396492.

The previous prime is 474396491. The next prime is 474396547. The reversal of 474396493 is 394693474.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379392484 + 95004009 = 19478^2 + 9747^2 .

It is a cyclic number.

It is not a de Polignac number, because 474396493 - 2¹ = 474396491 is a prime.

Together with 474396491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474396491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237198246 + 237198247.

It is an arithmetic number, because the mean of its divisors is an integer number (237198247).

Almost surely, 2^474396493 is an apocalyptic number.

It is an amenable number.

474396493 is a deficient number, since it is larger than the sum of its proper divisors (1).

474396493 is an equidigital number, since it uses as much as digits as its factorization.

474396493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 49.

The square root of 474396493 is about 21780.6449169899. The cubic root of 474396493 is about 779.9147907138.

The spelling of 474396493 in words is "four hundred seventy-four million, three hundred ninety-six thousand, four hundred ninety-three".