632751949 has 2 divisors, whose sum is σ = 632751950. Its totient is φ = 632751948.

The previous prime is 632751947. The next prime is 632751979. The reversal of 632751949 is 949157236.

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., 553096324 + 79655625 = 23518^2 + 8925^2 .

It is a cyclic number.

It is not a de Polignac number, because 632751949 - 2¹ = 632751947 is a prime.

Together with 632751947, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 632751899 and 632751908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632751941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316375974 + 316375975.

It is an arithmetic number, because the mean of its divisors is an integer number (316375975).

Almost surely, 2^632751949 is an apocalyptic number.

It is an amenable number.

632751949 is a deficient number, since it is larger than the sum of its proper divisors (1).

632751949 is an equidigital number, since it uses as much as digits as its factorization.

632751949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The square root of 632751949 is about 25154.5611967293. The cubic root of 632751949 is about 858.5082978941.

The spelling of 632751949 in words is "six hundred thirty-two million, seven hundred fifty-one thousand, nine hundred forty-nine".