2706444157 has 4 divisors (see below), whose sum is σ = 2750812156. Its totient is φ = 2662076160.

The previous prime is 2706444107. The next prime is 2706444161. The reversal of 2706444157 is 7514446072.

2706444157 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 can be written as a sum of positive squares in 2 ways, for example, as 582063876 + 2124380281 = 24126^2 + 46091^2 .

It is a cyclic number.

It is not a de Polignac number, because 2706444157 - 2³¹ = 558960509 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 (2706444107) 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, 22183908 + ... + 22184029.

It is an arithmetic number, because the mean of its divisors is an integer number (687703039).

Almost surely, 2^2706444157 is an apocalyptic number.

It is an amenable number.

2706444157 is a deficient number, since it is larger than the sum of its proper divisors (44367999).

2706444157 is an equidigital number, since it uses as much as digits as its factorization.

2706444157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44367998.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 2706444157 is about 52023.4962012358. The cubic root of 2706444157 is about 1393.5835894221.

The spelling of 2706444157 in words is "two billion, seven hundred six million, four hundred forty-four thousand, one hundred fifty-seven".