1048643717290 has 24 divisors (see below), whose sum is σ = 2043924503148. Its totient is φ = 387191525760.

The previous prime is 1048643717281. The next prime is 1048643717339. The reversal of 1048643717290 is 927173468401.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1371887521 + 1047271829769 = 37039^2 + 1023363^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310247931 + ... + 310251310.

Almost surely, 2^{1048643717290} is an apocalyptic number.

1048643717290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1048643717290 is a deficient number, since it is larger than the sum of its proper divisors (995280785858).

1048643717290 is a wasteful number, since it uses less digits than its factorization.

1048643717290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620499274 (or 620499261 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 1048643717290 in words is "one trillion, forty-eight billion, six hundred forty-three million, seven hundred seventeen thousand, two hundred ninety".