2001326377 has 4 divisors (see below), whose sum is σ = 2119051476. Its totient is φ = 1883601280.

The previous prime is 2001326333. The next prime is 2001326387. The reversal of 2001326377 is 7736231002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7736231002 = 2 ⋅3868115501.

It can be written as a sum of positive squares in 2 ways, for example, as 1247219856 + 754106521 = 35316^2 + 27461^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001326377 - 2¹¹ = 2001324329 is a prime.

It is a super-2 number, since 2×2001326377² = 8010614534551892258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001326387) 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, 58862524 + ... + 58862557.

It is an arithmetic number, because the mean of its divisors is an integer number (529762869).

Almost surely, 2^2001326377 is an apocalyptic number.

It is an amenable number.

2001326377 is a deficient number, since it is larger than the sum of its proper divisors (117725099).

2001326377 is a wasteful number, since it uses less digits than its factorization.

2001326377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117725098.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 2001326377 is about 44736.1864378268. The cubic root of 2001326377 is about 1260.1995100638.

Adding to 2001326377 its reverse (7736231002), we get a palindrome (9737557379).

The spelling of 2001326377 in words is "two billion, one million, three hundred twenty-six thousand, three hundred seventy-seven".