19460550469 has 2 divisors, whose sum is σ = 19460550470. Its totient is φ = 19460550468.

The previous prime is 19460550457. The next prime is 19460550491. The reversal of 19460550469 is 96405506491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17463622500 + 1996927969 = 132150^2 + 44687^2 .

It is a cyclic number.

It is not a de Polignac number, because 19460550469 - 2⁹ = 19460549957 is a prime.

It is a super-2 number, since 2×19460550469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19460590469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9730275234 + 9730275235.

It is an arithmetic number, because the mean of its divisors is an integer number (9730275235).

Almost surely, 2^19460550469 is an apocalyptic number.

It is an amenable number.

19460550469 is a deficient number, since it is larger than the sum of its proper divisors (1).

19460550469 is an equidigital number, since it uses as much as digits as its factorization.

19460550469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 19460550469 in words is "nineteen billion, four hundred sixty million, five hundred fifty thousand, four hundred sixty-nine".