874936949 has 2 divisors, whose sum is σ = 874936950. Its totient is φ = 874936948.

The previous prime is 874936927. The next prime is 874936957. The reversal of 874936949 is 949639478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 874384900 + 552049 = 29570^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 874936949 - 2¹² = 874932853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874936919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437468474 + 437468475.

It is an arithmetic number, because the mean of its divisors is an integer number (437468475).

Almost surely, 2^874936949 is an apocalyptic number.

It is an amenable number.

874936949 is a deficient number, since it is larger than the sum of its proper divisors (1).

874936949 is an equidigital number, since it uses as much as digits as its factorization.

874936949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 59.

The square root of 874936949 is about 29579.3331398799. Note that the first 3 decimals coincide. The cubic root of 874936949 is about 956.4426170774.

The spelling of 874936949 in words is "eight hundred seventy-four million, nine hundred thirty-six thousand, nine hundred forty-nine".