1979034807 has 4 divisors (see below), whose sum is σ = 2638713080. Its totient is φ = 1319356536.

The previous prime is 1979034797. The next prime is 1979034809. The reversal of 1979034807 is 7084309791.

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

It is not a de Polignac number, because 1979034807 - 2¹⁹ = 1978510519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979034809) 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, 329839132 + ... + 329839137.

It is an arithmetic number, because the mean of its divisors is an integer number (659678270).

Almost surely, 2^1979034807 is an apocalyptic number.

1979034807 is a deficient number, since it is larger than the sum of its proper divisors (659678273).

1979034807 is an equidigital number, since it uses as much as digits as its factorization.

1979034807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659678272.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 1979034807 is about 44486.3440507309. The cubic root of 1979034807 is about 1255.5031621042.

The spelling of 1979034807 in words is "one billion, nine hundred seventy-nine million, thirty-four thousand, eight hundred seven".