1298376253406 has 8 divisors (see below), whose sum is σ = 1956143959560. Its totient is φ = 646328266888.

The previous prime is 1298376253333. The next prime is 1298376253411. The reversal of 1298376253406 is 6043526738921.

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

It is a super-3 number, since 3×1298376253406³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1429929341 + ... + 1429930248.

It is an arithmetic number, because the mean of its divisors is an integer number (244517994945).

It is a 1-persistent number, because it is pandigital, but 2⋅1298376253406 = 2596752506812 is not.

Almost surely, 2^{1298376253406} is an apocalyptic number.

1298376253406 is a deficient number, since it is larger than the sum of its proper divisors (657767706154).

1298376253406 is a wasteful number, since it uses less digits than its factorization.

1298376253406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859859818.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 1298376253406 in words is "one trillion, two hundred ninety-eight billion, three hundred seventy-six million, two hundred fifty-three thousand, four hundred six".