1919532248 has 8 divisors (see below), whose sum is σ = 3599122980. Its totient is φ = 959766120.

The previous prime is 1919532233. The next prime is 1919532317. The reversal of 1919532248 is 8422359191.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1919532248² = 7369208102223867008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1919532199 and 1919532208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119970758 + ... + 119970773.

Almost surely, 2^1919532248 is an apocalyptic number.

It is an amenable number.

1919532248 is a deficient number, since it is larger than the sum of its proper divisors (1679590732).

1919532248 is a wasteful number, since it uses less digits than its factorization.

1919532248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239941537 (or 239941533 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 1919532248 is about 43812.4668102585. The cubic root of 1919532248 is about 1242.7920626411.

The spelling of 1919532248 in words is "one billion, nine hundred nineteen million, five hundred thirty-two thousand, two hundred forty-eight".