6415265875949 has 16 divisors (see below), whose sum is σ = 7343183581440. Its totient is φ = 5490215596800.

The previous prime is 6415265875901. The next prime is 6415265875951. The reversal of 6415265875949 is 9495785625146.

It is a cyclic number.

It is not a de Polignac number, because 6415265875949 - 2¹² = 6415265871853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6415265872949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16567349 + ... + 16950149.

It is an arithmetic number, because the mean of its divisors is an integer number (458948973840).

Almost surely, 2^{6415265875949} is an apocalyptic number.

It is an amenable number.

6415265875949 is a deficient number, since it is larger than the sum of its proper divisors (927917705491).

6415265875949 is a wasteful number, since it uses less digits than its factorization.

6415265875949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386540.

The product of its digits is 653184000, while the sum is 71.

The spelling of 6415265875949 in words is "six trillion, four hundred fifteen billion, two hundred sixty-five million, eight hundred seventy-five thousand, nine hundred forty-nine".