2740620493 has 4 divisors (see below), whose sum is σ = 2951437468. Its totient is φ = 2529803520.

The previous prime is 2740620481. The next prime is 2740620517. The reversal of 2740620493 is 3940260472.

2740620493 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 1138860009 + 1601760484 = 33747^2 + 40022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2740620493 is a prime.

It is a super-2 number, since 2×2740620493² = 15022001373303126098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740620403) 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, 105408468 + ... + 105408493.

It is an arithmetic number, because the mean of its divisors is an integer number (737859367).

Almost surely, 2^2740620493 is an apocalyptic number.

It is an amenable number.

2740620493 is a deficient number, since it is larger than the sum of its proper divisors (210816975).

2740620493 is a wasteful number, since it uses less digits than its factorization.

2740620493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210816974.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 2740620493 is about 52350.9359324167. The cubic root of 2740620493 is about 1399.4250177978.

The spelling of 2740620493 in words is "two billion, seven hundred forty million, six hundred twenty thousand, four hundred ninety-three".