1398341745572 has 6 divisors (see below), whose sum is σ = 2447098054758. Its totient is φ = 699170872784.

The previous prime is 1398341745571. The next prime is 1398341745599. The reversal of 1398341745572 is 2755471438931.

It can be written as a sum of positive squares in only one way, i.e., 1023670438756 + 374671306816 = 1011766^2 + 612104^2 .

It is not an unprimeable number, because it can be changed into a prime (1398341745571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174792718193 + ... + 174792718200.

It is an arithmetic number, because the mean of its divisors is an integer number (407849675793).

Almost surely, 2^{1398341745572} is an apocalyptic number.

It is an amenable number.

1398341745572 is a deficient number, since it is larger than the sum of its proper divisors (1048756309186).

1398341745572 is a wasteful number, since it uses less digits than its factorization.

1398341745572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349585436397 (or 349585436395 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 59.

The spelling of 1398341745572 in words is "one trillion, three hundred ninety-eight billion, three hundred forty-one million, seven hundred forty-five thousand, five hundred seventy-two".