2906139682 has 4 divisors (see below), whose sum is σ = 4359209526. Its totient is φ = 1453069840.

The previous prime is 2906139679. The next prime is 2906139727. The reversal of 2906139682 is 2869316092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2836734121 + 69405561 = 53261^2 + 8331^2 .

It is a super-2 number, since 2×2906139682² = 16891295702590122248, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 726534919 + ... + 726534922.

Almost surely, 2^2906139682 is an apocalyptic number.

2906139682 is a deficient number, since it is larger than the sum of its proper divisors (1453069844).

2906139682 is a wasteful number, since it uses less digits than its factorization.

2906139682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453069843.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 2906139682 is about 53908.6234474597. The cubic root of 2906139682 is about 1427.0488114969.

The spelling of 2906139682 in words is "two billion, nine hundred six million, one hundred thirty-nine thousand, six hundred eighty-two".