7042542355 has 4 divisors (see below), whose sum is σ = 8451050832. Its totient is φ = 5634033880.

The previous prime is 7042542347. The next prime is 7042542361. The reversal of 7042542355 is 5532452407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5532452407 = 23 ⋅240541409.

It is not a de Polignac number, because 7042542355 - 2³ = 7042542347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704254231 + ... + 704254240.

It is an arithmetic number, because the mean of its divisors is an integer number (2112762708).

Almost surely, 2^7042542355 is an apocalyptic number.

7042542355 is a deficient number, since it is larger than the sum of its proper divisors (1408508477).

7042542355 is a wasteful number, since it uses less digits than its factorization.

7042542355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408508476.

The product of its (nonzero) digits is 168000, while the sum is 37.

The square root of 7042542355 is about 83919.8567384383. The cubic root of 7042542355 is about 1916.7986251008.

The spelling of 7042542355 in words is "seven billion, forty-two million, five hundred forty-two thousand, three hundred fifty-five".