469048981 has 2 divisors, whose sum is σ = 469048982. Its totient is φ = 469048980.

The previous prime is 469048939. The next prime is 469049033. The reversal of 469048981 is 189840964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437228100 + 31820881 = 20910^2 + 5641^2 .

It is a cyclic number.

It is not a de Polignac number, because 469048981 - 2¹¹ = 469046933 is a prime.

It is a super-2 number, since 2×469048981² = 440013893154276722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (469048381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234524490 + 234524491.

It is an arithmetic number, because the mean of its divisors is an integer number (234524491).

Almost surely, 2^469048981 is an apocalyptic number.

It is an amenable number.

469048981 is a deficient number, since it is larger than the sum of its proper divisors (1).

469048981 is an equidigital number, since it uses as much as digits as its factorization.

469048981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 469048981 is about 21657.5386644004. The cubic root of 469048981 is about 776.9732475618.

The spelling of 469048981 in words is "four hundred sixty-nine million, forty-eight thousand, nine hundred eighty-one".