245047709774942 has 8 divisors (see below), whose sum is σ = 367572124444032. Its totient is φ = 122523668293600.

The previous prime is 245047709774911. The next prime is 245047709774953. The reversal of 245047709774942 is 249477907740542.

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

It is a super-2 number, since 2×245047709774942² (a number of 30 digits) contains 22 as substring.

It is a congruent 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, 91649534 + ... + 94285377.

It is an arithmetic number, because the mean of its divisors is an integer number (45946515555504).

Almost surely, 2^{245047709774942} is an apocalyptic number.

245047709774942 is a deficient number, since it is larger than the sum of its proper divisors (122524414669090).

245047709774942 is a wasteful number, since it uses less digits than its factorization.

245047709774942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186593874.

The product of its (nonzero) digits is 995742720, while the sum is 71.

The spelling of 245047709774942 in words is "two hundred forty-five trillion, forty-seven billion, seven hundred nine million, seven hundred seventy-four thousand, nine hundred forty-two".