1948076869 has 16 divisors (see below), whose sum is σ = 2085264000. Its totient is φ = 1813515264.

The previous prime is 1948076861. The next prime is 1948076909. The reversal of 1948076869 is 9686708491.

It is a cyclic number.

It is not a de Polignac number, because 1948076869 - 2³ = 1948076861 is a prime.

It is a super-2 number, since 2×1948076869² = 7590006975065686322, 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 (1948076861) 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, 603949 + ... + 607165.

It is an arithmetic number, because the mean of its divisors is an integer number (130329000).

Almost surely, 2^1948076869 is an apocalyptic number.

It is an amenable number.

1948076869 is a deficient number, since it is larger than the sum of its proper divisors (137187131).

1948076869 is a wasteful number, since it uses less digits than its factorization.

1948076869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The square root of 1948076869 is about 44137.0237895579. The cubic root of 1948076869 is about 1248.9221362216.

The spelling of 1948076869 in words is "one billion, nine hundred forty-eight million, seventy-six thousand, eight hundred sixty-nine".