469949141 has 2 divisors, whose sum is σ = 469949142. Its totient is φ = 469949140.

The previous prime is 469949113. The next prime is 469949159. The reversal of 469949141 is 141949964.

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., 457318225 + 12630916 = 21385^2 + 3554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-469949141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (469949171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234974570 + 234974571.

It is an arithmetic number, because the mean of its divisors is an integer number (234974571).

Almost surely, 2^469949141 is an apocalyptic number.

It is an amenable number.

469949141 is a deficient number, since it is larger than the sum of its proper divisors (1).

469949141 is an equidigital number, since it uses as much as digits as its factorization.

469949141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 469949141 is about 21678.3103815773. The cubic root of 469949141 is about 777.4699642040.

The spelling of 469949141 in words is "four hundred sixty-nine million, nine hundred forty-nine thousand, one hundred forty-one".