6451496039 has 4 divisors (see below), whose sum is σ = 6830995824. Its totient is φ = 6071996256.

The previous prime is 6451496017. The next prime is 6451496047. The reversal of 6451496039 is 9306941546.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6451496039 - 2⁸ = 6451495783 is a prime.

It is a super-2 number, since 2×6451496039² = 83243602282465379042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6451495984 and 6451496002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6451496089) by changing a digit.

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, 189749867 + ... + 189749900.

It is an arithmetic number, because the mean of its divisors is an integer number (1707748956).

Almost surely, 2^6451496039 is an apocalyptic number.

6451496039 is a deficient number, since it is larger than the sum of its proper divisors (379499785).

6451496039 is a wasteful number, since it uses less digits than its factorization.

6451496039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379499784.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 6451496039 is about 80321.2054130166. The cubic root of 6451496039 is about 1861.6018919612.

The spelling of 6451496039 in words is "six billion, four hundred fifty-one million, four hundred ninety-six thousand, thirty-nine".