6246405993 has 16 divisors (see below), whose sum is σ = 8499427200. Its totient is φ = 4079687040.

The previous prime is 6246405943. The next prime is 6246406003. The reversal of 6246405993 is 3995046426.

It is not a de Polignac number, because 6246405993 - 2¹⁷ = 6246274921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6246405943) 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, 78213 + ... + 136418.

It is an arithmetic number, because the mean of its divisors is an integer number (531214200).

Almost surely, 2^6246405993 is an apocalyptic number.

It is an amenable number.

6246405993 is a deficient number, since it is larger than the sum of its proper divisors (2253021207).

6246405993 is a wasteful number, since it uses less digits than its factorization.

6246405993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214832.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The square root of 6246405993 is about 79034.2077394339. The cubic root of 6246405993 is about 1841.6626033539.

The spelling of 6246405993 in words is "six billion, two hundred forty-six million, four hundred five thousand, nine hundred ninety-three".