468181949 has 2 divisors, whose sum is σ = 468181950. Its totient is φ = 468181948.

The previous prime is 468181943. The next prime is 468181963. The reversal of 468181949 is 949181864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240715225 + 227466724 = 15515^2 + 15082^2 .

It is a cyclic number.

It is not a de Polignac number, because 468181949 - 2¹⁶ = 468116413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 468181897 and 468181906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468181943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234090974 + 234090975.

It is an arithmetic number, because the mean of its divisors is an integer number (234090975).

Almost surely, 2^468181949 is an apocalyptic number.

It is an amenable number.

468181949 is a deficient number, since it is larger than the sum of its proper divisors (1).

468181949 is an equidigital number, since it uses as much as digits as its factorization.

468181949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 50.

The square root of 468181949 is about 21637.5125418797. The cubic root of 468181949 is about 776.4942100428.

The spelling of 468181949 in words is "four hundred sixty-eight million, one hundred eighty-one thousand, nine hundred forty-nine".