2761651081 has 4 divisors (see below), whose sum is σ = 3156172672. Its totient is φ = 2367129492.

The previous prime is 2761651031. The next prime is 2761651097. The reversal of 2761651081 is 1801561672.

2761651081 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2761651081 - 2⁹ = 2761650569 is a prime.

It is a super-2 number, since 2×2761651081² = 15253433386376937122, 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 2761651081.

It is not an unprimeable number, because it can be changed into a prime (2761651031) 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, 197260785 + ... + 197260798.

It is an arithmetic number, because the mean of its divisors is an integer number (789043168).

Almost surely, 2^2761651081 is an apocalyptic number.

It is an amenable number.

2761651081 is a deficient number, since it is larger than the sum of its proper divisors (394521591).

2761651081 is an equidigital number, since it uses as much as digits as its factorization.

2761651081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394521590.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 2761651081 is about 52551.4136917362. The cubic root of 2761651081 is about 1402.9954707776.

The spelling of 2761651081 in words is "two billion, seven hundred sixty-one million, six hundred fifty-one thousand, eighty-one".