1347397649429 has 8 divisors (see below), whose sum is σ = 1454591412120. Its totient is φ = 1240710713856.

The previous prime is 1347397649417. The next prime is 1347397649461. The reversal of 1347397649429 is 9249467937431.

It can be written as a sum of positive squares in 4 ways, for example, as 511370870404 + 836026779025 = 715102^2 + 914345^2 .

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 1347397649429 - 2⁸ = 1347397649173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347397649729) 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, 126701252 + ... + 126711885.

It is an arithmetic number, because the mean of its divisors is an integer number (181823926515).

Almost surely, 2^{1347397649429} is an apocalyptic number.

It is an amenable number.

1347397649429 is a deficient number, since it is larger than the sum of its proper divisors (107193762691).

1347397649429 is a wasteful number, since it uses less digits than its factorization.

1347397649429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253413559.

The product of its digits is 246903552, while the sum is 68.

The spelling of 1347397649429 in words is "one trillion, three hundred forty-seven billion, three hundred ninety-seven million, six hundred forty-nine thousand, four hundred twenty-nine".