6513992074 has 8 divisors (see below), whose sum is σ = 9771564420. Its totient is φ = 3256803936.

The previous prime is 6513992059. The next prime is 6513992101. The reversal of 6513992074 is 4702993156.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6479123049 + 34869025 = 80493^2 + 5905^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49069 + ... + 124240.

Almost surely, 2^6513992074 is an apocalyptic number.

6513992074 is a deficient number, since it is larger than the sum of its proper divisors (3257572346).

6513992074 is a wasteful number, since it uses less digits than its factorization.

6513992074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192104.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 6513992074 is about 80709.3059937948. The cubic root of 6513992074 is about 1867.5937359217.

The spelling of 6513992074 in words is "six billion, five hundred thirteen million, nine hundred ninety-two thousand, seventy-four".