2142365577 has 32 divisors (see below), whose sum is σ = 3386019840. Its totient is φ = 1190376000.

The previous prime is 2142365557. The next prime is 2142365581. The reversal of 2142365577 is 7755632412.

It is not a de Polignac number, because 2142365577 - 2⁶ = 2142365513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2142365507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35674 + ... + 74547.

It is an arithmetic number, because the mean of its divisors is an integer number (105813120).

Almost surely, 2^2142365577 is an apocalyptic number.

It is an amenable number.

2142365577 is a deficient number, since it is larger than the sum of its proper divisors (1243654263).

2142365577 is a wasteful number, since it uses less digits than its factorization.

2142365577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110285.

The product of its digits is 352800, while the sum is 42.

The square root of 2142365577 is about 46285.6951660013. The cubic root of 2142365577 is about 1289.1333996947.

Adding to 2142365577 its reverse (7755632412), we get a palindrome (9897997989).

The spelling of 2142365577 in words is "two billion, one hundred forty-two million, three hundred sixty-five thousand, five hundred seventy-seven".