2051387682 has 8 divisors (see below), whose sum is σ = 4102775376. Its totient is φ = 683795892.

The previous prime is 2051387677. The next prime is 2051387683. The reversal of 2051387682 is 2867831502.

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

2051387682 is an admirable number.

It is a super-2 number, since 2×2051387682² = 8416382843722666248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2051387683) 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, 170948968 + ... + 170948979.

It is an arithmetic number, because the mean of its divisors is an integer number (512846922).

Almost surely, 2^2051387682 is an apocalyptic number.

2051387682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051387682 is a wasteful number, since it uses less digits than its factorization.

2051387682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341897952.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2051387682 is about 45292.2474823231. The cubic root of 2051387682 is about 1270.6206654786.

The spelling of 2051387682 in words is "two billion, fifty-one million, three hundred eighty-seven thousand, six hundred eighty-two".