2021514465 has 8 divisors (see below), whose sum is σ = 3234423168. Its totient is φ = 1078141040.

The previous prime is 2021514461. The next prime is 2021514479. The reversal of 2021514465 is 5644151202.

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

It is not a de Polignac number, because 2021514465 - 2² = 2021514461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021514461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67383801 + ... + 67383830.

It is an arithmetic number, because the mean of its divisors is an integer number (404302896).

Almost surely, 2^2021514465 is an apocalyptic number.

It is an amenable number.

2021514465 is a deficient number, since it is larger than the sum of its proper divisors (1212908703).

2021514465 is a wasteful number, since it uses less digits than its factorization.

2021514465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134767639.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2021514465 is about 44961.2551537432. The cubic root of 2021514465 is about 1264.4227010613.

Adding to 2021514465 its reverse (5644151202), we get a palindrome (7665665667).

The spelling of 2021514465 in words is "two billion, twenty-one million, five hundred fourteen thousand, four hundred sixty-five".