2133377506 has 8 divisors (see below), whose sum is σ = 3446225244. Its totient is φ = 984635760.

The previous prime is 2133377503. The next prime is 2133377527. The reversal of 2133377506 is 6057733312.

It can be written as a sum of positive squares in 2 ways, for example, as 2050731225 + 82646281 = 45285^2 + 9091^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2133377503) 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, 41026465 + ... + 41026516.

Almost surely, 2^2133377506 is an apocalyptic number.

2133377506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2133377506 is a deficient number, since it is larger than the sum of its proper divisors (1312847738).

2133377506 is a wasteful number, since it uses less digits than its factorization.

2133377506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82052996.

The product of its (nonzero) digits is 79380, while the sum is 37.

The square root of 2133377506 is about 46188.4997158384. The cubic root of 2133377506 is about 1287.3280644630.

The spelling of 2133377506 in words is "two billion, one hundred thirty-three million, three hundred seventy-seven thousand, five hundred six".