1473239869 has 2 divisors, whose sum is σ = 1473239870. Its totient is φ = 1473239868.

The previous prime is 1473239843. The next prime is 1473239881. The reversal of 1473239869 is 9689323741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1467656100 + 5583769 = 38310^2 + 2363^2 .

It is an emirp because it is prime and its reverse (9689323741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1473239869 - 2⁵ = 1473239837 is a prime.

It is a super-2 number, since 2×1473239869² = 4340871423222274322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1473239809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736619934 + 736619935.

It is an arithmetic number, because the mean of its divisors is an integer number (736619935).

Almost surely, 2^1473239869 is an apocalyptic number.

It is an amenable number.

1473239869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1473239869 is an equidigital number, since it uses as much as digits as its factorization.

1473239869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 52.

The square root of 1473239869 is about 38382.8069452978. The cubic root of 1473239869 is about 1137.8660884061.

The spelling of 1473239869 in words is "one billion, four hundred seventy-three million, two hundred thirty-nine thousand, eight hundred sixty-nine".