469701649 has 2 divisors, whose sum is σ = 469701650. Its totient is φ = 469701648.

The previous prime is 469701587. The next prime is 469701667. The reversal of 469701649 is 946107964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398721024 + 70980625 = 19968^2 + 8425^2 .

It is a cyclic number.

It is not a de Polignac number, because 469701649 - 2¹⁹ = 469177361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 469701599 and 469701608.

It is not a weakly prime, because it can be changed into another prime (469701049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234850824 + 234850825.

It is an arithmetic number, because the mean of its divisors is an integer number (234850825).

Almost surely, 2^469701649 is an apocalyptic number.

It is an amenable number.

469701649 is a deficient number, since it is larger than the sum of its proper divisors (1).

469701649 is an equidigital number, since it uses as much as digits as its factorization.

469701649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 469701649 is about 21672.6013436320. The cubic root of 469701649 is about 777.3334590892. Note that the first 3 decimals are identical.

The spelling of 469701649 in words is "four hundred sixty-nine million, seven hundred one thousand, six hundred forty-nine".