6736988247145 has 16 divisors (see below), whose sum is σ = 8727548472720. Its totient is φ = 4962842855424.

The previous prime is 6736988247139. The next prime is 6736988247149. The reversal of 6736988247145 is 5417428896376.

It can be written as a sum of positive squares in 8 ways, for example, as 266110507881 + 6470877739264 = 515859^2 + 2543792^2 .

It is a cyclic number.

It is not a de Polignac number, because 6736988247145 - 2⁹ = 6736988246633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6736988247149) 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, 126679984 + ... + 126733153.

It is an arithmetic number, because the mean of its divisors is an integer number (545471779545).

Almost surely, 2^{6736988247145} is an apocalyptic number.

6736988247145 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6736988247145 is a deficient number, since it is larger than the sum of its proper divisors (1990560225575).

6736988247145 is a wasteful number, since it uses less digits than its factorization.

6736988247145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253413564.

The product of its digits is 487710720, while the sum is 70.

The spelling of 6736988247145 in words is "six trillion, seven hundred thirty-six billion, nine hundred eighty-eight million, two hundred forty-seven thousand, one hundred forty-five".