1398616294827 has 16 divisors (see below), whose sum is σ = 1868204712960. Its totient is φ = 930719883552.

The previous prime is 1398616294819. The next prime is 1398616294843. The reversal of 1398616294827 is 7284926168931.

It is a happy number.

It is not a de Polignac number, because 1398616294827 - 2³ = 1398616294819 is a prime.

It is a super-2 number, since 2×1398616294827² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1398616294807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11453449 + ... + 11574917.

It is an arithmetic number, because the mean of its divisors is an integer number (116762794560).

Almost surely, 2^{1398616294827} is an apocalyptic number.

1398616294827 is a deficient number, since it is larger than the sum of its proper divisors (469588418133).

1398616294827 is a wasteful number, since it uses less digits than its factorization.

1398616294827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128402.

The product of its digits is 62705664, while the sum is 66.

The spelling of 1398616294827 in words is "one trillion, three hundred ninety-eight billion, six hundred sixteen million, two hundred ninety-four thousand, eight hundred twenty-seven".