6403477133 has 4 divisors (see below), whose sum is σ = 6450217980. Its totient is φ = 6356736288.

The previous prime is 6403477099. The next prime is 6403477151. The reversal of 6403477133 is 3317743046.

6403477133 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3317743046 = 2 ⋅1658871523.

It can be written as a sum of positive squares in 2 ways, for example, as 5463870724 + 939606409 = 73918^2 + 30653^2 .

It is a cyclic number.

It is not a de Polignac number, because 6403477133 - 2¹⁸ = 6403214989 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 (6403477933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23370218 + ... + 23370491.

It is an arithmetic number, because the mean of its divisors is an integer number (1612554495).

Almost surely, 2^6403477133 is an apocalyptic number.

It is an amenable number.

6403477133 is a deficient number, since it is larger than the sum of its proper divisors (46740847).

6403477133 is a wasteful number, since it uses less digits than its factorization.

6403477133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46740846.

The product of its (nonzero) digits is 127008, while the sum is 38.

The square root of 6403477133 is about 80021.7291302806. The cubic root of 6403477133 is about 1856.9717105228.

The spelling of 6403477133 in words is "six billion, four hundred three million, four hundred seventy-seven thousand, one hundred thirty-three".