1069790970249 has 45 divisors (see below), whose sum is σ = 1638595697079. Its totient is φ = 695550771360.

The previous prime is 1069790970221. The next prime is 1069790970277. The reversal of 1069790970249 is 9420790979601.

The square root of 1069790970249 is 1034307.

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

It is an interprime number because it is at equal distance from previous prime (1069790970221) and next prime (1069790970277).

It can be written as a sum of positive squares in only one way, i.e., 51548523849 + 1018242446400 = 227043^2 + 1009080^2 .

It is not a de Polignac number, because 1069790970249 - 2¹⁹ = 1069790445961 is a prime.

It is a super-2 number, since 2×1069790970249² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1069790970289) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 381657882 + ... + 381660684.

Almost surely, 2^{1069790970249} is an apocalyptic number.

1069790970249 is the 1034307-th square number.

1069790970249 is the 517154-th centered octagonal number.

It is an amenable number.

1069790970249 is a deficient number, since it is larger than the sum of its proper divisors (568804726830).

1069790970249 is an frugal number, since it uses more digits than its factorization.

1069790970249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700 (or 2847 counting only the distinct ones).

The product of its (nonzero) digits is 15431472, while the sum is 63.

The spelling of 1069790970249 in words is "one trillion, sixty-nine billion, seven hundred ninety million, nine hundred seventy thousand, two hundred forty-nine".