2620067939 has 4 divisors (see below), whose sum is σ = 2690880624. Its totient is φ = 2549255256.

The previous prime is 2620067927. The next prime is 2620067941. The reversal of 2620067939 is 9397600262.

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

It is a cyclic number.

It is not a de Polignac number, because 2620067939 - 2²⁰ = 2619019363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2620067939.

It is not an unprimeable number, because it can be changed into a prime (2620067039) 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 3 ways as a sum of consecutive naturals, for example, 35406287 + ... + 35406360.

It is an arithmetic number, because the mean of its divisors is an integer number (672720156).

Almost surely, 2^2620067939 is an apocalyptic number.

2620067939 is a deficient number, since it is larger than the sum of its proper divisors (70812685).

2620067939 is an equidigital number, since it uses as much as digits as its factorization.

2620067939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70812684.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 2620067939 is about 51186.5992130753. The cubic root of 2620067939 is about 1378.5975984554.

The spelling of 2620067939 in words is "two billion, six hundred twenty million, sixty-seven thousand, nine hundred thirty-nine".