6900476993 has 2 divisors, whose sum is σ = 6900476994. Its totient is φ = 6900476992.

The previous prime is 6900476971. The next prime is 6900477049. The reversal of 6900476993 is 3996740096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6544324609 + 356152384 = 80897^2 + 18872^2 .

It is a cyclic number.

It is not a de Polignac number, because 6900476993 - 2⁶ = 6900476929 is a prime.

It is not a weakly prime, because it can be changed into another prime (6900476903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3450238496 + 3450238497.

It is an arithmetic number, because the mean of its divisors is an integer number (3450238497).

Almost surely, 2^6900476993 is an apocalyptic number.

It is an amenable number.

6900476993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6900476993 is an equidigital number, since it uses as much as digits as its factorization.

6900476993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 53.

The square root of 6900476993 is about 83069.1097400231. The cubic root of 6900476993 is about 1903.8221299817.

The spelling of 6900476993 in words is "six billion, nine hundred million, four hundred seventy-six thousand, nine hundred ninety-three".