1347712641645 has 16 divisors (see below), whose sum is σ = 2157467476032. Its totient is φ = 718404325760.

The previous prime is 1347712641641. The next prime is 1347712641647. The reversal of 1347712641645 is 5461462177431.

It is not a de Polignac number, because 1347712641645 - 2² = 1347712641641 is a prime.

It is a super-3 number, since 3×1347712641645³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347712641641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23454711 + ... + 23512100.

It is an arithmetic number, because the mean of its divisors is an integer number (134841717252).

Almost surely, 2^{1347712641645} is an apocalyptic number.

1347712641645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1347712641645 is a deficient number, since it is larger than the sum of its proper divisors (809754834387).

1347712641645 is a wasteful number, since it uses less digits than its factorization.

1347712641645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46968732.

The product of its digits is 3386880, while the sum is 51.

The spelling of 1347712641645 in words is "one trillion, three hundred forty-seven billion, seven hundred twelve million, six hundred forty-one thousand, six hundred forty-five".