2551142049 has 8 divisors (see below), whose sum is σ = 3452292000. Its totient is φ = 1675376736.

The previous prime is 2551142047. The next prime is 2551142071. The reversal of 2551142049 is 9402411552.

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

It is not a de Polignac number, because 2551142049 - 2¹ = 2551142047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2551142047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6345924 + ... + 6346325.

It is an arithmetic number, because the mean of its divisors is an integer number (431536500).

Almost surely, 2^2551142049 is an apocalyptic number.

It is an amenable number.

2551142049 is a deficient number, since it is larger than the sum of its proper divisors (901149951).

2551142049 is a wasteful number, since it uses less digits than its factorization.

2551142049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12692319.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 2551142049 is about 50508.8313961034. The cubic root of 2551142049 is about 1366.4011337054.

The spelling of 2551142049 in words is "two billion, five hundred fifty-one million, one hundred forty-two thousand, forty-nine".