1948488469 has 16 divisors (see below), whose sum is σ = 2040192000. Its totient is φ = 1859345280.

The previous prime is 1948488457. The next prime is 1948488491. The reversal of 1948488469 is 9648848491.

It is a cyclic number.

It is not a de Polignac number, because 1948488469 - 2¹⁵ = 1948455701 is a prime.

It is a super-2 number, since 2×1948488469² = 7593214627651927922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948488499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350292 + ... + 355810.

It is an arithmetic number, because the mean of its divisors is an integer number (127512000).

Almost surely, 2^1948488469 is an apocalyptic number.

It is an amenable number.

1948488469 is a deficient number, since it is larger than the sum of its proper divisors (91703531).

1948488469 is a wasteful number, since it uses less digits than its factorization.

1948488469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748.

The product of its digits is 15925248, while the sum is 61.

The square root of 1948488469 is about 44141.6862953830. The cubic root of 1948488469 is about 1249.0100896556.

The spelling of 1948488469 in words is "one billion, nine hundred forty-eight million, four hundred eighty-eight thousand, four hundred sixty-nine".