1307985986570 has 16 divisors (see below), whose sum is σ = 2418006527208. Its totient is φ = 509054005440.

The previous prime is 1307985986521. The next prime is 1307985986581. The reversal of 1307985986570 is 756895897031.

It can be written as a sum of positive squares in 4 ways, for example, as 1136754718969 + 171231267601 = 1066187^2 + 413801^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1307985986570.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767548261 + ... + 1767549000.

Almost surely, 2^{1307985986570} is an apocalyptic number.

1307985986570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1307985986570 is a deficient number, since it is larger than the sum of its proper divisors (1110020540638).

1307985986570 is a wasteful number, since it uses less digits than its factorization.

1307985986570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535097305.

The product of its (nonzero) digits is 114307200, while the sum is 68.

The spelling of 1307985986570 in words is "one trillion, three hundred seven billion, nine hundred eighty-five million, nine hundred eighty-six thousand, five hundred seventy".