2709040157 has 4 divisors (see below), whose sum is σ = 2709993216. Its totient is φ = 2708087100.

The previous prime is 2709040129. The next prime is 2709040171. The reversal of 2709040157 is 7510409072.

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 a cyclic number.

It is not a de Polignac number, because 2709040157 - 2¹⁴ = 2709023773 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 (2709040127) 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, 472253 + ... + 477954.

It is an arithmetic number, because the mean of its divisors is an integer number (677498304).

Almost surely, 2^2709040157 is an apocalyptic number.

It is an amenable number.

2709040157 is a deficient number, since it is larger than the sum of its proper divisors (953059).

2709040157 is an equidigital number, since it uses as much as digits as its factorization.

2709040157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953058.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 2709040157 is about 52048.4404857629. The cubic root of 2709040157 is about 1394.0290185166.

The spelling of 2709040157 in words is "two billion, seven hundred nine million, forty thousand, one hundred fifty-seven".