1266437698413 has 8 divisors (see below), whose sum is σ = 1705302247776. Its totient is φ = 835932474000.

The previous prime is 1266437698403. The next prime is 1266437698441. The reversal of 1266437698413 is 3148967346621.

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

It is not a de Polignac number, because 1266437698413 - 2¹² = 1266437694317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266437698403) 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 7 ways as a sum of consecutive naturals, for example, 2089830883 + ... + 2089831488.

It is an arithmetic number, because the mean of its divisors is an integer number (213162780972).

Almost surely, 2^{1266437698413} is an apocalyptic number.

It is an amenable number.

1266437698413 is a deficient number, since it is larger than the sum of its proper divisors (438864549363).

1266437698413 is a wasteful number, since it uses less digits than its factorization.

1266437698413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179662475.

The product of its digits is 31352832, while the sum is 60.

The spelling of 1266437698413 in words is "one trillion, two hundred sixty-six billion, four hundred thirty-seven million, six hundred ninety-eight thousand, four hundred thirteen".