247390244899 has 16 divisors (see below), whose sum is σ = 300605190336. Its totient is φ = 198747187200.

The previous prime is 247390244861. The next prime is 247390244921. The reversal of 247390244899 is 998442093742.

It is a cyclic number.

It is not a de Polignac number, because 247390244899 - 2¹⁷ = 247390113827 is a prime.

It is a super-2 number, since 2×247390244899² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247390224899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4284412 + ... + 4341769.

It is an arithmetic number, because the mean of its divisors is an integer number (18787824396).

Almost surely, 2^247390244899 is an apocalyptic number.

247390244899 is a deficient number, since it is larger than the sum of its proper divisors (53214945437).

247390244899 is a wasteful number, since it uses less digits than its factorization.

247390244899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8626446.

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 247390244899 in words is "two hundred forty-seven billion, three hundred ninety million, two hundred forty-four thousand, eight hundred ninety-nine".