6401771046 has 48 divisors (see below), whose sum is σ = 15387952320. Its totient is φ = 1907046960.

The previous prime is 6401771029. The next prime is 6401771063.

6401771046 is a `hidden beast` number, since 640 + 1 + 7 + 7 + 1 + 0 + 4 + 6 = 666.

6401771046 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (6401771029) and next prime (6401771063).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6401771046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262320 + ... + 285683.

It is an arithmetic number, because the mean of its divisors is an integer number (320582340).

Almost surely, 2^6401771046 is an apocalyptic number.

6401771046 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6401771046 is an abundant number, since it is smaller than the sum of its proper divisors (8986181274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6401771046 is a wasteful number, since it uses less digits than its factorization.

6401771046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548081 (or 548078 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 6401771046 is about 80011.0682718335. The cubic root of 6401771046 is about 1856.8067773864.

The spelling of 6401771046 in words is "six billion, four hundred one million, seven hundred seventy-one thousand, forty-six".