1398667530969 has 32 divisors (see below), whose sum is σ = 2193401865600. Its totient is φ = 879354705600.

The previous prime is 1398667530899. The next prime is 1398667530977. The reversal of 1398667530969 is 9690357668931.

1398667530969 is a `hidden beast` number, since 1 + 3 + 9 + 86 + 6 + 7 + 530 + 9 + 6 + 9 = 666.

It is not a de Polignac number, because 1398667530969 - 2¹² = 1398667526873 is a prime.

It is a super-2 number, since 2×1398667530969² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1398667530897 and 1398667530906.

It is not an unprimeable number, because it can be changed into a prime (1398667531969) 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, 20737182 + ... + 20804519.

It is an arithmetic number, because the mean of its divisors is an integer number (68543808300).

Almost surely, 2^{1398667530969} is an apocalyptic number.

It is an amenable number.

1398667530969 is a deficient number, since it is larger than the sum of its proper divisors (794734334631).

1398667530969 is a wasteful number, since it uses less digits than its factorization.

1398667530969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41541782 (or 41541776 counting only the distinct ones).

The product of its (nonzero) digits is 396809280, while the sum is 72.

The spelling of 1398667530969 in words is "one trillion, three hundred ninety-eight billion, six hundred sixty-seven million, five hundred thirty thousand, nine hundred sixty-nine".