1293387601984 has 21 divisors (see below), whose sum is σ = 2566584077007. Its totient is φ = 646689251904.

The previous prime is 1293387601967. The next prime is 1293387601991. The reversal of 1293387601984 is 4891067833921.

The square root of 1293387601984 is 1137272.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9027097 + ... + 9169255.

Almost surely, 2^{1293387601984} is an apocalyptic number.

1293387601984 is the 1137272-nd square number.

It is an amenable number.

1293387601984 is a deficient number, since it is larger than the sum of its proper divisors (1273196475023).

1293387601984 is an frugal number, since it uses more digits than its factorization.

1293387601984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284330 (or 142161 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 1293387601984 in words is "one trillion, two hundred ninety-three billion, three hundred eighty-seven million, six hundred one thousand, nine hundred eighty-four".