1398857349227 has 32 divisors (see below), whose sum is σ = 1581045043200. Its totient is φ = 1227992451840.

The previous prime is 1398857349167. The next prime is 1398857349229. The reversal of 1398857349227 is 7229437588931.

It is a cyclic number.

It is not a de Polignac number, because 1398857349227 - 2¹² = 1398857345131 is a prime.

It is a super-4 number, since 4×1398857349227⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1398857349229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39443399 + ... + 39478847.

It is an arithmetic number, because the mean of its divisors is an integer number (49407657600).

Almost surely, 2^{1398857349227} is an apocalyptic number.

1398857349227 is a deficient number, since it is larger than the sum of its proper divisors (182187693973).

1398857349227 is a wasteful number, since it uses less digits than its factorization.

1398857349227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36243.

The product of its digits is 182891520, while the sum is 68.

The spelling of 1398857349227 in words is "one trillion, three hundred ninety-eight billion, eight hundred fifty-seven million, three hundred forty-nine thousand, two hundred twenty-seven".