1214034656690 has 16 divisors (see below), whose sum is σ = 2185286969880. Its totient is φ = 485608398720.

The previous prime is 1214034656657. The next prime is 1214034656699. The reversal of 1214034656690 is 966564304121.

It can be written as a sum of positive squares in 4 ways, for example, as 609119372521 + 604915284169 = 780461^2 + 777763^2 .

It is a super-2 number, since 2×1214034656690² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1214034656699) 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, 320396 + ... + 1590824.

Almost surely, 2^{1214034656690} is an apocalyptic number.

1214034656690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1214034656690 is a deficient number, since it is larger than the sum of its proper divisors (971252313190).

1214034656690 is a wasteful number, since it uses less digits than its factorization.

1214034656690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365997.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 1214034656690 in words is "one trillion, two hundred fourteen billion, thirty-four million, six hundred fifty-six thousand, six hundred ninety".