1398545811059 has 4 divisors (see below), whose sum is σ = 1398559006416. Its totient is φ = 1398532615704.

The previous prime is 1398545810971. The next prime is 1398545811071. The reversal of 1398545811059 is 9501185458931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1398545811059 - 2⁸ = 1398545810803 is a prime.

It is a super-2 number, since 2×1398545811059² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1398545810989 and 1398545811007.

It is not an unprimeable number, because it can be changed into a prime (1398545811959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6437399 + ... + 6651104.

It is an arithmetic number, because the mean of its divisors is an integer number (349639751604).

Almost surely, 2^{1398545811059} is an apocalyptic number.

1398545811059 is a deficient number, since it is larger than the sum of its proper divisors (13195357).

1398545811059 is a wasteful number, since it uses less digits than its factorization.

1398545811059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13195356.

The product of its (nonzero) digits is 7776000, while the sum is 59.

The spelling of 1398545811059 in words is "one trillion, three hundred ninety-eight billion, five hundred forty-five million, eight hundred eleven thousand, fifty-nine".