2001964479 has 8 divisors (see below), whose sum is σ = 2673979440. Its totient is φ = 1332296256.

The previous prime is 2001964451. The next prime is 2001964501. The reversal of 2001964479 is 9744691002.

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

It is not a de Polignac number, because 2001964479 - 2¹² = 2001960383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001964479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001964409) 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, 584692 + ... + 588105.

It is an arithmetic number, because the mean of its divisors is an integer number (334247430).

Almost surely, 2^2001964479 is an apocalyptic number.

2001964479 is a deficient number, since it is larger than the sum of its proper divisors (672014961).

2001964479 is a wasteful number, since it uses less digits than its factorization.

2001964479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173369.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 2001964479 is about 44743.3177022000. The cubic root of 2001964479 is about 1260.3334296465. Note that the first 3 decimals are identical.

The spelling of 2001964479 in words is "two billion, one million, nine hundred sixty-four thousand, four hundred seventy-nine".