2549942371 has 8 divisors (see below), whose sum is σ = 2605057344. Its totient is φ = 2494863360.

The previous prime is 2549942309. The next prime is 2549942377. The reversal of 2549942371 is 1732499452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2549942371 - 2²¹ = 2547845219 is a prime.

It is a super-2 number, since 2×2549942371² = 13004412190842203282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2549942377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174051 + ... + 188131.

It is an arithmetic number, because the mean of its divisors is an integer number (325632168).

Almost surely, 2^2549942371 is an apocalyptic number.

2549942371 is a deficient number, since it is larger than the sum of its proper divisors (55114973).

2549942371 is a wasteful number, since it uses less digits than its factorization.

2549942371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17981.

The product of its digits is 544320, while the sum is 46.

The square root of 2549942371 is about 50496.9540764589. The cubic root of 2549942371 is about 1366.1869161293.

The spelling of 2549942371 in words is "two billion, five hundred forty-nine million, nine hundred forty-two thousand, three hundred seventy-one".