2993400549 has 16 divisors (see below), whose sum is σ = 4442169600. Its totient is φ = 1992224448.

The previous prime is 2993400547. The next prime is 2993400563. The reversal of 2993400549 is 9450043992.

It is a happy number.

It is not a de Polignac number, because 2993400549 - 2¹ = 2993400547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2993400547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77469 + ... + 109490.

It is an arithmetic number, because the mean of its divisors is an integer number (277635600).

Almost surely, 2^2993400549 is an apocalyptic number.

It is an amenable number.

2993400549 is a deficient number, since it is larger than the sum of its proper divisors (1448769051).

2993400549 is a wasteful number, since it uses less digits than its factorization.

2993400549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187561 (or 187555 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 2993400549 is about 54711.9781126583. The cubic root of 2993400549 is about 1441.1912321699.

The spelling of 2993400549 in words is "two billion, nine hundred ninety-three million, four hundred thousand, five hundred forty-nine".