1870107629449 has 4 divisors (see below), whose sum is σ = 1934594099460. Its totient is φ = 1805621159440.

The previous prime is 1870107629417. The next prime is 1870107629519. The reversal of 1870107629449 is 9449267010781.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1488504921849 + 381602707600 = 1220043^2 + 617740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1870107629449 - 2⁵ = 1870107629417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1870107629393 and 1870107629402.

It is not an unprimeable number, because it can be changed into a prime (1870107629549) 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, 32243234962 + ... + 32243235019.

It is an arithmetic number, because the mean of its divisors is an integer number (483648524865).

Almost surely, 2^{1870107629449} is an apocalyptic number.

It is an amenable number.

1870107629449 is a deficient number, since it is larger than the sum of its proper divisors (64486470011).

1870107629449 is an equidigital number, since it uses as much as digits as its factorization.

1870107629449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64486470010.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 1870107629449 in words is "one trillion, eight hundred seventy billion, one hundred seven million, six hundred twenty-nine thousand, four hundred forty-nine".