2929679642 has 4 divisors (see below), whose sum is σ = 4394519466. Its totient is φ = 1464839820.

The previous prime is 2929679611. The next prime is 2929679653. The reversal of 2929679642 is 2469769292.

It is a happy number.

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., 2100297241 + 829382401 = 45829^2 + 28799^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 732419909 + ... + 732419912.

Almost surely, 2^2929679642 is an apocalyptic number.

2929679642 is a deficient number, since it is larger than the sum of its proper divisors (1464839824).

2929679642 is a wasteful number, since it uses less digits than its factorization.

2929679642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464839823.

The product of its digits is 5878656, while the sum is 56.

The square root of 2929679642 is about 54126.5151473841. The cubic root of 2929679642 is about 1430.8915238782.

The spelling of 2929679642 in words is "two billion, nine hundred twenty-nine million, six hundred seventy-nine thousand, six hundred forty-two".