3163404493 has 2 divisors, whose sum is σ = 3163404494. Its totient is φ = 3163404492.

The previous prime is 3163404479. The next prime is 3163404533. The reversal of 3163404493 is 3944043613.

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., 1937144169 + 1226260324 = 44013^2 + 35018^2 .

It is a cyclic number.

It is not a de Polignac number, because 3163404493 - 2²¹ = 3161307341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3163404473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1581702246 + 1581702247.

It is an arithmetic number, because the mean of its divisors is an integer number (1581702247).

Almost surely, 2^3163404493 is an apocalyptic number.

It is an amenable number.

3163404493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3163404493 is an equidigital number, since it uses as much as digits as its factorization.

3163404493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 3163404493 is about 56244.1507447663. The cubic root of 3163404493 is about 1467.9735900742.

The spelling of 3163404493 in words is "three billion, one hundred sixty-three million, four hundred four thousand, four hundred ninety-three".