6291298945 has 8 divisors (see below), whose sum is σ = 7568968680. Its totient is φ = 5020099200.

The previous prime is 6291298933. The next prime is 6291298957. The reversal of 6291298945 is 5498921926.

It is an interprime number because it is at equal distance from previous prime (6291298933) and next prime (6291298957).

It can be written as a sum of positive squares in 4 ways, for example, as 1540081 + 6289758864 = 1241^2 + 79308^2 .

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

It is not a de Polignac number, because 6291298945 - 2⁵ = 6291298913 is a prime.

It is a super-2 number, since 2×6291298945² = 79160884830716226050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1615356 + ... + 1619245.

It is an arithmetic number, because the mean of its divisors is an integer number (946121085).

Almost surely, 2^6291298945 is an apocalyptic number.

It is an amenable number.

6291298945 is a deficient number, since it is larger than the sum of its proper divisors (1277669735).

6291298945 is a wasteful number, since it uses less digits than its factorization.

6291298945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234995.

The product of its digits is 2799360, while the sum is 55.

The square root of 6291298945 is about 79317.7088990851. The cubic root of 6291298945 is about 1846.0640885032.

The spelling of 6291298945 in words is "six billion, two hundred ninety-one million, two hundred ninety-eight thousand, nine hundred forty-five".