6445313151 has 8 divisors (see below), whose sum is σ = 8594395824. Its totient is φ = 4296552960.

The previous prime is 6445313141. The next prime is 6445313159. The reversal of 6445313151 is 1513135446.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-6445313151 is a prime.

It is a super-2 number, since 2×6445313151² = 83084123228907097602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445313159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29320 + ... + 117261.

It is an arithmetic number, because the mean of its divisors is an integer number (1074299478).

Almost surely, 2^6445313151 is an apocalyptic number.

6445313151 is a deficient number, since it is larger than the sum of its proper divisors (2149082673).

6445313151 is a wasteful number, since it uses less digits than its factorization.

6445313151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161241.

The product of its digits is 21600, while the sum is 33.

The square root of 6445313151 is about 80282.7076710795. The cubic root of 6445313151 is about 1861.0070038484.

Adding to 6445313151 its reverse (1513135446), we get a palindrome (7958448597).

The spelling of 6445313151 in words is "six billion, four hundred forty-five million, three hundred thirteen thousand, one hundred fifty-one".