2148193937 has 8 divisors (see below), whose sum is σ = 2239237440. Its totient is φ = 2058281680.

The previous prime is 2148193921. The next prime is 2148193939. The reversal of 2148193937 is 7393918412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2148193937 - 2⁴ = 2148193921 is a prime.

It is a super-2 number, since 2×2148193937² = 9229474381927119938, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2148193891 and 2148193900.

It is not an unprimeable number, because it can be changed into a prime (2148193939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278933 + ... + 286530.

It is an arithmetic number, because the mean of its divisors is an integer number (279904680).

Almost surely, 2^2148193937 is an apocalyptic number.

It is an amenable number.

2148193937 is a deficient number, since it is larger than the sum of its proper divisors (91043503).

2148193937 is a wasteful number, since it uses less digits than its factorization.

2148193937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565623.

The product of its digits is 326592, while the sum is 47.

The square root of 2148193937 is about 46348.6131076217. The cubic root of 2148193937 is about 1290.3013812187.

The spelling of 2148193937 in words is "two billion, one hundred forty-eight million, one hundred ninety-three thousand, nine hundred thirty-seven".