2725920019 has 4 divisors (see below), whose sum is σ = 2726371480. Its totient is φ = 2725468560.

The previous prime is 2725920017. The next prime is 2725920031. The reversal of 2725920019 is 9100295272.

2725920019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2725920019 - 2¹ = 2725920017 is a prime.

It is a super-2 number, since 2×2725920019² = 14861279899969920722, which contains 22 as substring.

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 2725920019.

It is not an unprimeable number, because it can be changed into a prime (2725920013) 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, 216549 + ... + 228790.

It is an arithmetic number, because the mean of its divisors is an integer number (681592870).

Almost surely, 2^2725920019 is an apocalyptic number.

2725920019 is a deficient number, since it is larger than the sum of its proper divisors (451461).

2725920019 is an equidigital number, since it uses as much as digits as its factorization.

2725920019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451460.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 2725920019 is about 52210.3439846933. The cubic root of 2725920019 is about 1396.9183952133.

It can be divided in two parts, 27259 and 20019, that added together give a triangular number (47278 = T₃₀₇).

The spelling of 2725920019 in words is "two billion, seven hundred twenty-five million, nine hundred twenty thousand, nineteen".