1268541672029 has 8 divisors (see below), whose sum is σ = 1274997035520. Its totient is φ = 1262090491200.

The previous prime is 1268541672011. The next prime is 1268541672107. The reversal of 1268541672029 is 9202761458621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1268541672029 is a prime.

It is a super-3 number, since 3×1268541672029³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268541672529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436652 + ... + 1651589.

It is an arithmetic number, because the mean of its divisors is an integer number (159374629440).

Almost surely, 2^{1268541672029} is an apocalyptic number.

It is an amenable number.

1268541672029 is a deficient number, since it is larger than the sum of its proper divisors (6455363491).

1268541672029 is a wasteful number, since it uses less digits than its factorization.

1268541672029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091331.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 1268541672029 in words is "one trillion, two hundred sixty-eight billion, five hundred forty-one million, six hundred seventy-two thousand, twenty-nine".