6412991001 has 8 divisors (see below), whose sum is σ = 8554827840. Its totient is φ = 4273240752.

The previous prime is 6412990967. The next prime is 6412991027. The reversal of 6412991001 is 1001992146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6412991001 - 2⁷ = 6412990873 is a prime.

It is a super-2 number, since 2×6412991001² = 82252907157813964002, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6412991051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514461 + ... + 526778.

It is an arithmetic number, because the mean of its divisors is an integer number (1069353480).

Almost surely, 2^6412991001 is an apocalyptic number.

It is an amenable number.

6412991001 is a deficient number, since it is larger than the sum of its proper divisors (2141836839).

6412991001 is a wasteful number, since it uses less digits than its factorization.

6412991001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043295.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 6412991001 is about 80081.1525953517. The cubic root of 6412991001 is about 1857.8909111955.

The spelling of 6412991001 in words is "six billion, four hundred twelve million, nine hundred ninety-one thousand, one".