1274798165090 has 16 divisors (see below), whose sum is σ = 2315688411960. Its totient is φ = 505241107200.

The previous prime is 1274798165077. The next prime is 1274798165107. The reversal of 1274798165090 is 905618974721.

It can be written as a sum of positive squares in 4 ways, for example, as 1265856760609 + 8941404481 = 1125103^2 + 94559^2 .

It is a super-2 number, since 2×1274798165090² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584768711 + ... + 584770890.

Almost surely, 2^{1274798165090} is an apocalyptic number.

1274798165090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1274798165090 is a deficient number, since it is larger than the sum of its proper divisors (1040890246870).

1274798165090 is a wasteful number, since it uses less digits than its factorization.

1274798165090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169539717.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 1274798165090 in words is "one trillion, two hundred seventy-four billion, seven hundred ninety-eight million, one hundred sixty-five thousand, ninety".