1370675221645 has 8 divisors (see below), whose sum is σ = 1644855704856. Its totient is φ = 1096509884736.

The previous prime is 1370675221639. The next prime is 1370675221759. The reversal of 1370675221645 is 5461225760731.

It can be written as a sum of positive squares in 4 ways, for example, as 25662117636 + 1345013104009 = 160194^2 + 1159747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1370675221645 - 2³ = 1370675221637 is a prime.

It is a super-3 number, since 3×1370675221645³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3586522 + ... + 3950251.

It is an arithmetic number, because the mean of its divisors is an integer number (205606963107).

Almost surely, 2^{1370675221645} is an apocalyptic number.

It is an amenable number.

1370675221645 is a deficient number, since it is larger than the sum of its proper divisors (274180483211).

1370675221645 is an equidigital number, since it uses as much as digits as its factorization.

1370675221645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7573151.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 1370675221645 in words is "one trillion, three hundred seventy billion, six hundred seventy-five million, two hundred twenty-one thousand, six hundred forty-five".