6450250642215 has 64 divisors (see below), whose sum is σ = 10548074135040. Its totient is φ = 3364993082880.

The previous prime is 6450250642211. The next prime is 6450250642219. The reversal of 6450250642215 is 5122460520546.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6450250642211) and next prime (6450250642219).

It is not a de Polignac number, because 6450250642215 - 2² = 6450250642211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6450250642211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 255756876 + ... + 255782094.

It is an arithmetic number, because the mean of its divisors is an integer number (164813658360).

Almost surely, 2^{6450250642215} is an apocalyptic number.

6450250642215 is a deficient number, since it is larger than the sum of its proper divisors (4097823492825).

6450250642215 is a wasteful number, since it uses less digits than its factorization.

6450250642215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27072.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 6450250642215 in words is "six trillion, four hundred fifty billion, two hundred fifty million, six hundred forty-two thousand, two hundred fifteen".