2142539920777 has 8 divisors (see below), whose sum is σ = 2235732977664. Its totient is φ = 2049350126208.

The previous prime is 2142539920757. The next prime is 2142539920811. The reversal of 2142539920777 is 7770299352412.

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 2142539920777 - 2⁷ = 2142539920649 is a prime.

It is a super-2 number, since 2×2142539920777² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142539920727) 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, 577113 + ... + 2148985.

It is an arithmetic number, because the mean of its divisors is an integer number (279466622208).

Almost surely, 2^{2142539920777} is an apocalyptic number.

It is an amenable number.

2142539920777 is a deficient number, since it is larger than the sum of its proper divisors (93193056887).

2142539920777 is a wasteful number, since it uses less digits than its factorization.

2142539920777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631159.

The product of its (nonzero) digits is 13335840, while the sum is 58.

The spelling of 2142539920777 in words is "two trillion, one hundred forty-two billion, five hundred thirty-nine million, nine hundred twenty thousand, seven hundred seventy-seven".