2051542677 has 8 divisors (see below), whose sum is σ = 2896295616. Its totient is φ = 1287242432.

The previous prime is 2051542639. The next prime is 2051542687. The reversal of 2051542677 is 7762451502.

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 2051542677 - 2¹⁸ = 2051280533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051542627) 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, 20113113 + ... + 20113214.

It is an arithmetic number, because the mean of its divisors is an integer number (362036952).

Almost surely, 2^2051542677 is an apocalyptic number.

It is an amenable number.

2051542677 is a deficient number, since it is larger than the sum of its proper divisors (844752939).

2051542677 is a wasteful number, since it uses less digits than its factorization.

2051542677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40226347.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 2051542677 is about 45293.9585044187. The cubic root of 2051542677 is about 1270.6526657504.

The spelling of 2051542677 in words is "two billion, fifty-one million, five hundred forty-two thousand, six hundred seventy-seven".