6454986949015 has 16 divisors (see below), whose sum is σ = 8463949711776. Its totient is φ = 4686877641600.

The previous prime is 6454986949013. The next prime is 6454986949069. The reversal of 6454986949015 is 5109496894546.

It is a happy number.

It is not a de Polignac number, because 6454986949015 - 2¹ = 6454986949013 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 (6454986949013) 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, 95694996 + ... + 95762425.

It is an arithmetic number, because the mean of its divisors is an integer number (528996856986).

Almost surely, 2^{6454986949015} is an apocalyptic number.

6454986949015 is a deficient number, since it is larger than the sum of its proper divisors (2008962762761).

6454986949015 is a wasteful number, since it uses less digits than its factorization.

6454986949015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191458050.

The product of its (nonzero) digits is 335923200, while the sum is 70.

The spelling of 6454986949015 in words is "six trillion, four hundred fifty-four billion, nine hundred eighty-six million, nine hundred forty-nine thousand, fifteen".