1652889169 has 4 divisors (see below), whose sum is σ = 1691328496. Its totient is φ = 1614449844.

The previous prime is 1652889149. The next prime is 1652889179. The reversal of 1652889169 is 9619882561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9619882561 = 98081².

It is a cyclic number.

It is not a de Polignac number, because 1652889169 - 2¹⁹ = 1652364881 is a prime.

It is a super-2 number, since 2×1652889169² = 5464085209995021122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1652889149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19219599 + ... + 19219684.

It is an arithmetic number, because the mean of its divisors is an integer number (422832124).

Almost surely, 2^1652889169 is an apocalyptic number.

It is an amenable number.

1652889169 is a deficient number, since it is larger than the sum of its proper divisors (38439327).

1652889169 is an equidigital number, since it uses as much as digits as its factorization.

1652889169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38439326.

The product of its digits is 1866240, while the sum is 55.

The square root of 1652889169 is about 40655.7396808864. The cubic root of 1652889169 is about 1182.3550517445.

The spelling of 1652889169 in words is "one billion, six hundred fifty-two million, eight hundred eighty-nine thousand, one hundred sixty-nine".