2148547970 has 8 divisors (see below), whose sum is σ = 3867386364. Its totient is φ = 859419184.

The previous prime is 2148547943. The next prime is 2148547993. The reversal of 2148547970 is 797458412.

It can be written as a sum of positive squares in 2 ways, for example, as 2137305361 + 11242609 = 46231^2 + 3353^2 .

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

It is a super-2 number, since 2×2148547970² = 9232516758782241800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107427389 + ... + 107427408.

Almost surely, 2^2148547970 is an apocalyptic number.

2148547970 is a deficient number, since it is larger than the sum of its proper divisors (1718838394).

2148547970 is a wasteful number, since it uses less digits than its factorization.

2148547970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214854804.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 2148547970 is about 46352.4321907707. The cubic root of 2148547970 is about 1290.3722600111.

The spelling of 2148547970 in words is "two billion, one hundred forty-eight million, five hundred forty-seven thousand, nine hundred seventy".