6515420006 has 16 divisors (see below), whose sum is σ = 9830738016. Its totient is φ = 3238534656.

The previous prime is 6515419993. The next prime is 6515420033. The reversal of 6515420006 is 6000245156.

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, 532550 + ... + 544646.

It is an arithmetic number, because the mean of its divisors is an integer number (614421126).

Almost surely, 2^6515420006 is an apocalyptic number.

6515420006 is a deficient number, since it is larger than the sum of its proper divisors (3315318010).

6515420006 is a wasteful number, since it uses less digits than its factorization.

6515420006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13663.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 6515420006 is about 80718.1516512860. The cubic root of 6515420006 is about 1867.7301910063.

The spelling of 6515420006 in words is "six billion, five hundred fifteen million, four hundred twenty thousand, six".