1264408385147 has 8 divisors (see below), whose sum is σ = 1308961380240. Its totient is φ = 1219918903840.

The previous prime is 1264408385143. The next prime is 1264408385167. The reversal of 1264408385147 is 7415838044621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1264408385147 - 2² = 1264408385143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264408385143) 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, 15837929 + ... + 15917562.

It is an arithmetic number, because the mean of its divisors is an integer number (163620172530).

Almost surely, 2^{1264408385147} is an apocalyptic number.

1264408385147 is a deficient number, since it is larger than the sum of its proper divisors (44552995093).

1264408385147 is a wasteful number, since it uses less digits than its factorization.

1264408385147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31756893.

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 1264408385147 in words is "one trillion, two hundred sixty-four billion, four hundred eight million, three hundred eighty-five thousand, one hundred forty-seven".