2620190684 has 6 divisors (see below), whose sum is σ = 4585333704. Its totient is φ = 1310095340.

The previous prime is 2620190669. The next prime is 2620190689. The reversal of 2620190684 is 4860910262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620190689) by changing a digit.

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, 327523832 + ... + 327523839.

It is an arithmetic number, because the mean of its divisors is an integer number (764222284).

Almost surely, 2^2620190684 is an apocalyptic number.

It is an amenable number.

2620190684 is a deficient number, since it is larger than the sum of its proper divisors (1965143020).

2620190684 is a wasteful number, since it uses less digits than its factorization.

2620190684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655047675 (or 655047673 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 2620190684 is about 51187.7981944916. The cubic root of 2620190684 is about 1378.6191263094.

The spelling of 2620190684 in words is "two billion, six hundred twenty million, one hundred ninety thousand, six hundred eighty-four".