474134993 has 2 divisors, whose sum is σ = 474134994. Its totient is φ = 474134992.

The previous prime is 474134963. The next prime is 474135019. The reversal of 474134993 is 399431474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 355586449 + 118548544 = 18857^2 + 10888^2 .

It is a cyclic number.

It is not a de Polignac number, because 474134993 - 2¹² = 474130897 is a prime.

It is a super-2 number, since 2×474134993² = 449607983174220098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (474134963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237067496 + 237067497.

It is an arithmetic number, because the mean of its divisors is an integer number (237067497).

Almost surely, 2^474134993 is an apocalyptic number.

It is an amenable number.

474134993 is a deficient number, since it is larger than the sum of its proper divisors (1).

474134993 is an equidigital number, since it uses as much as digits as its factorization.

474134993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 474134993 is about 21774.6410532987. The cubic root of 474134993 is about 779.7714610967.

The spelling of 474134993 in words is "four hundred seventy-four million, one hundred thirty-four thousand, nine hundred ninety-three".