2148514377 has 4 divisors (see below), whose sum is σ = 2864685840. Its totient is φ = 1432342916.

The previous prime is 2148514373. The next prime is 2148514397. The reversal of 2148514377 is 7734158412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2148514377 - 2² = 2148514373 is a prime.

It is a super-2 number, since 2×2148514377² = 9232228056351396258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2148514373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358085727 + ... + 358085732.

It is an arithmetic number, because the mean of its divisors is an integer number (716171460).

Almost surely, 2^2148514377 is an apocalyptic number.

It is an amenable number.

2148514377 is a deficient number, since it is larger than the sum of its proper divisors (716171463).

2148514377 is an equidigital number, since it uses as much as digits as its factorization.

2148514377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716171462.

The product of its digits is 188160, while the sum is 42.

The square root of 2148514377 is about 46352.0698243347. The cubic root of 2148514377 is about 1290.3655348954.

The spelling of 2148514377 in words is "two billion, one hundred forty-eight million, five hundred fourteen thousand, three hundred seventy-seven".