2351836078442 has 8 divisors (see below), whose sum is σ = 3527780240100. Its totient is φ = 1175909331744.

The previous prime is 2351836078441. The next prime is 2351836078483. The reversal of 2351836078442 is 2448706381532.

It can be written as a sum of positive squares in 2 ways, for example, as 2334078117361 + 17757961081 = 1527769^2 + 133259^2 .

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

It is a super-2 number, since 2×2351836078442² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2351836078441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4010717 + ... + 4559552.

Almost surely, 2^{2351836078442} is an apocalyptic number.

2351836078442 is a deficient number, since it is larger than the sum of its proper divisors (1175944161658).

2351836078442 is a wasteful number, since it uses less digits than its factorization.

2351836078442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707480.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 2351836078442 in words is "two trillion, three hundred fifty-one billion, eight hundred thirty-six million, seventy-eight thousand, four hundred forty-two".