2146974737 has 2 divisors, whose sum is σ = 2146974738. Its totient is φ = 2146974736.

The previous prime is 2146974671. The next prime is 2146974757. The reversal of 2146974737 is 7374796412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1304582161 + 842392576 = 36119^2 + 29024^2 .

It is a cyclic number.

It is not a de Polignac number, because 2146974737 - 2⁸ = 2146974481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2146974757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073487368 + 1073487369.

It is an arithmetic number, because the mean of its divisors is an integer number (1073487369).

Almost surely, 2^2146974737 is an apocalyptic number.

It is an amenable number.

2146974737 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146974737 is an equidigital number, since it uses as much as digits as its factorization.

2146974737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 50.

The square root of 2146974737 is about 46335.4587438174. The cubic root of 2146974737 is about 1290.0572330035.

The spelling of 2146974737 in words is "two billion, one hundred forty-six million, nine hundred seventy-four thousand, seven hundred thirty-seven".