6514145720 has 32 divisors (see below), whose sum is σ = 14659261200. Its totient is φ = 2605225728.

The previous prime is 6514145717. The next prime is 6514145749. The reversal of 6514145720 is 275414156.

It is a super-2 number, since 2×6514145720² = 84868188922788636800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353372 + ... + 371348.

Almost surely, 2^6514145720 is an apocalyptic number.

It is an amenable number.

6514145720 is an abundant number, since it is smaller than the sum of its proper divisors (8145115480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6514145720 is a wasteful number, since it uses less digits than its factorization.

6514145720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27047 (or 27043 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 6514145720 is about 80710.2578362875. The cubic root of 6514145720 is about 1867.6084194955.

Adding to 6514145720 its reverse (275414156), we get a palindrome (6789559876).

The spelling of 6514145720 in words is "six billion, five hundred fourteen million, one hundred forty-five thousand, seven hundred twenty".