2067942657 has 16 divisors (see below), whose sum is σ = 3009424320. Its totient is φ = 1252670400.

The previous prime is 2067942629. The next prime is 2067942677. The reversal of 2067942657 is 7562497602.

It is not a de Polignac number, because 2067942657 - 2¹⁰ = 2067941633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2067942677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56019 + ... + 85287.

It is an arithmetic number, because the mean of its divisors is an integer number (188089020).

Almost surely, 2^2067942657 is an apocalyptic number.

It is an amenable number.

2067942657 is a deficient number, since it is larger than the sum of its proper divisors (941481663).

2067942657 is a wasteful number, since it uses less digits than its factorization.

2067942657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31424.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The square root of 2067942657 is about 45474.6375136735. The cubic root of 2067942657 is about 1274.0295384946.

Subtracting 2067942657 from its reverse (7562497602), we obtain a palindrome (5494554945).

It can be divided in two parts, 20679 and 42657, that added together give a palindrome (63336).

The spelling of 2067942657 in words is "two billion, sixty-seven million, nine hundred forty-two thousand, six hundred fifty-seven".