1273410675646 has 8 divisors (see below), whose sum is σ = 1912442588424. Its totient is φ = 635929812840.

The previous prime is 1273410675631. The next prime is 1273410675781. The reversal of 1273410675646 is 6465760143721.

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

It is a junction number, because it is equal to n+sod(n) for n = 1273410675593 and 1273410675602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387760440 + ... + 387763723.

It is an arithmetic number, because the mean of its divisors is an integer number (239055323553).

Almost surely, 2^{1273410675646} is an apocalyptic number.

1273410675646 is a deficient number, since it is larger than the sum of its proper divisors (639031912778).

1273410675646 is an equidigital number, since it uses as much as digits as its factorization.

1273410675646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775524986.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 1273410675646 in words is "one trillion, two hundred seventy-three billion, four hundred ten million, six hundred seventy-five thousand, six hundred forty-six".