247353353742 has 16 divisors (see below), whose sum is σ = 539680044672. Its totient is φ = 74955561720.

The previous prime is 247353353717. The next prime is 247353353803.

247353353742 is nontrivially palindromic in base 10.

247353353742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247353353742² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247353353691 and 247353353700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1873888978 + ... + 1873889109.

It is an arithmetic number, because the mean of its divisors is an integer number (33730002792).

Almost surely, 2^247353353742 is an apocalyptic number.

247353353742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

247353353742 is an abundant number, since it is smaller than the sum of its proper divisors (292326690930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247353353742 is a wasteful number, since it uses less digits than its factorization.

247353353742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747778103.

The product of its digits is 6350400, while the sum is 48.

The spelling of 247353353742 in words is "two hundred forty-seven billion, three hundred fifty-three million, three hundred fifty-three thousand, seven hundred forty-two".