6348145997 has 4 divisors (see below), whose sum is σ = 6437556576. Its totient is φ = 6258735420.

The previous prime is 6348145963. The next prime is 6348146017. The reversal of 6348145997 is 7995418436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6348145997 - 2¹⁶ = 6348080461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6348147997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44705183 + ... + 44705324.

It is an arithmetic number, because the mean of its divisors is an integer number (1609389144).

Almost surely, 2^6348145997 is an apocalyptic number.

It is an amenable number.

6348145997 is a deficient number, since it is larger than the sum of its proper divisors (89410579).

6348145997 is an equidigital number, since it uses as much as digits as its factorization.

6348145997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89410578.

The product of its digits is 6531840, while the sum is 56.

The square root of 6348145997 is about 79675.2533538488. The cubic root of 6348145997 is about 1851.6076599444.

The spelling of 6348145997 in words is "six billion, three hundred forty-eight million, one hundred forty-five thousand, nine hundred ninety-seven".