1214199036649 has 15 divisors (see below), whose sum is σ = 1269999401853. Its totient is φ = 1160850209244.

The previous prime is 1214199036641. The next prime is 1214199036707. The reversal of 1214199036649 is 9466309914121.

The square root of 1214199036649 is 1101907.

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

It is not a de Polignac number, because 1214199036649 - 2³ = 1214199036641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1214199036649.

It is not an unprimeable number, because it can be changed into a prime (1214199036641) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 582907762 + ... + 582909844.

Almost surely, 2^{1214199036649} is an apocalyptic number.

1214199036649 is the 1101907-th square number.

1214199036649 is the 550954-th centered octagonal number.

It is an amenable number.

1214199036649 is a deficient number, since it is larger than the sum of its proper divisors (55800365204).

1214199036649 is an frugal number, since it uses more digits than its factorization.

1214199036649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 1214199036649 in words is "one trillion, two hundred fourteen billion, one hundred ninety-nine million, thirty-six thousand, six hundred forty-nine".