1293298896290 has 16 divisors (see below), whose sum is σ = 2328041331000. Its totient is φ = 517296599040.

The previous prime is 1293298896269. The next prime is 1293298896299. The reversal of 1293298896290 is 926988923921.

It is a Cunningham number, because it is equal to 1137233²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1265775754489 + 27523141801 = 1125067^2 + 165901^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1293298896290.

It is not an unprimeable number, because it can be changed into a prime (1293298896299) 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, 2632415 + ... + 3084834.

Almost surely, 2^{1293298896290} is an apocalyptic number.

1293298896290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1293298896290 is a deficient number, since it is larger than the sum of its proper divisors (1034742434710).

1293298896290 is a wasteful number, since it uses less digits than its factorization.

1293298896290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5739877.

The product of its (nonzero) digits is 60466176, while the sum is 68.

The spelling of 1293298896290 in words is "one trillion, two hundred ninety-three billion, two hundred ninety-eight million, eight hundred ninety-six thousand, two hundred ninety".