6409638601345 has 32 divisors (see below), whose sum is σ = 9460022662656. Its totient is φ = 4068826905600.

The previous prime is 6409638601319. The next prime is 6409638601357. The reversal of 6409638601345 is 5431068369046.

It is a happy number.

It is not a de Polignac number, because 6409638601345 - 2¹⁷ = 6409638470273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88262901 + ... + 88335490.

It is an arithmetic number, because the mean of its divisors is an integer number (295625708208).

Almost surely, 2^{6409638601345} is an apocalyptic number.

It is an amenable number.

6409638601345 is a deficient number, since it is larger than the sum of its proper divisors (3050384061311).

6409638601345 is a wasteful number, since it uses less digits than its factorization.

6409638601345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176598481.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 6409638601345 in words is "six trillion, four hundred nine billion, six hundred thirty-eight million, six hundred one thousand, three hundred forty-five".