2001362649 has 32 divisors (see below), whose sum is σ = 3172829184. Its totient is φ = 1106134080.

The previous prime is 2001362633. The next prime is 2001362651. The reversal of 2001362649 is 9462631002.

It is not a de Polignac number, because 2001362649 - 2⁴ = 2001362633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2001362609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7504 + ... + 63710.

It is an arithmetic number, because the mean of its divisors is an integer number (99150912).

Almost surely, 2^2001362649 is an apocalyptic number.

It is an amenable number.

2001362649 is a deficient number, since it is larger than the sum of its proper divisors (1171466535).

2001362649 is a wasteful number, since it uses less digits than its factorization.

2001362649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56317.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 2001362649 is about 44736.5918348727. The cubic root of 2001362649 is about 1260.2071232949.

The spelling of 2001362649 in words is "two billion, one million, three hundred sixty-two thousand, six hundred forty-nine".