1092261989690 has 16 divisors (see below), whose sum is σ = 1966101721128. Its totient is φ = 436898098176.

The previous prime is 1092261989681. The next prime is 1092261989881. The reversal of 1092261989690 is 969891622901.

It can be written as a sum of positive squares in 4 ways, for example, as 1007347446889 + 84914542801 = 1003667^2 + 291401^2 .

It is a super-2 number, since 2×1092261989690² (a number of 25 digits) contains 22 as substring.

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, 123287 + ... + 1483146.

Almost surely, 2^{1092261989690} is an apocalyptic number.

1092261989690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1092261989690 is a deficient number, since it is larger than the sum of its proper divisors (873839731438).

1092261989690 is a wasteful number, since it uses less digits than its factorization.

1092261989690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674433.

The product of its (nonzero) digits is 7558272, while the sum is 62.

The spelling of 1092261989690 in words is "one trillion, ninety-two billion, two hundred sixty-one million, nine hundred eighty-nine thousand, six hundred ninety".