3126698473 has 2 divisors, whose sum is σ = 3126698474. Its totient is φ = 3126698472.

The previous prime is 3126698441. The next prime is 3126698537. The reversal of 3126698473 is 3748966213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3125704464 + 994009 = 55908^2 + 997^2 .

It is a cyclic number.

It is not a de Polignac number, because 3126698473 - 2⁵ = 3126698441 is a prime.

It is not a weakly prime, because it can be changed into another prime (3126699473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563349236 + 1563349237.

It is an arithmetic number, because the mean of its divisors is an integer number (1563349237).

Almost surely, 2^3126698473 is an apocalyptic number.

It is an amenable number.

3126698473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3126698473 is an equidigital number, since it uses as much as digits as its factorization.

3126698473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 49.

The square root of 3126698473 is about 55916.8889781969. Note that the first 3 decimals coincide. The cubic root of 3126698473 is about 1462.2736939434.

The spelling of 3126698473 in words is "three billion, one hundred twenty-six million, six hundred ninety-eight thousand, four hundred seventy-three".