6514297990 has 8 divisors (see below), whose sum is σ = 11725736400. Its totient is φ = 2605719192.

The previous prime is 6514297987. The next prime is 6514298039. The reversal of 6514297990 is 997924156.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 325714890 + ... + 325714909.

It is an arithmetic number, because the mean of its divisors is an integer number (1465717050).

Almost surely, 2^6514297990 is an apocalyptic number.

6514297990 is a deficient number, since it is larger than the sum of its proper divisors (5211438410).

6514297990 is a wasteful number, since it uses less digits than its factorization.

6514297990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651429806.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 6514297990 is about 80711.2011433357. The cubic root of 6514297990 is about 1867.6229713406.

The spelling of 6514297990 in words is "six billion, five hundred fourteen million, two hundred ninety-seven thousand, nine hundred ninety".