6397802769015 has 24 divisors (see below), whose sum is σ = 12673742628768. Its totient is φ = 2924709837120.

The previous prime is 6397802769011. The next prime is 6397802769049. The reversal of 6397802769015 is 5109672087936.

6397802769015 is a `hidden beast` number, since 6 + 397 + 80 + 2 + 76 + 90 + 15 = 666.

It is not a de Polignac number, because 6397802769015 - 2² = 6397802769011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397802769011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10155242176 + ... + 10155242805.

It is an arithmetic number, because the mean of its divisors is an integer number (528072609532).

Almost surely, 2^{6397802769015} is an apocalyptic number.

6397802769015 is a deficient number, since it is larger than the sum of its proper divisors (6275939859753).

6397802769015 is a wasteful number, since it uses less digits than its factorization.

6397802769015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20310484999 (or 20310484996 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 6397802769015 in words is "six trillion, three hundred ninety-seven billion, eight hundred two million, seven hundred sixty-nine thousand, fifteen".