1227490695949 has 8 divisors (see below), whose sum is σ = 1476680536640. Its totient is φ = 996759362016.

The previous prime is 1227490695923. The next prime is 1227490695961. The reversal of 1227490695949 is 9495960947221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1227490695949 - 2¹³ = 1227490687757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227490695919) 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, 4614626544 + ... + 4614626809.

It is an arithmetic number, because the mean of its divisors is an integer number (184585067080).

Almost surely, 2^{1227490695949} is an apocalyptic number.

1227490695949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1227490695949 is a deficient number, since it is larger than the sum of its proper divisors (249189840691).

1227490695949 is an equidigital number, since it uses as much as digits as its factorization.

1227490695949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9229253379.

The product of its (nonzero) digits is 88179840, while the sum is 67.

The spelling of 1227490695949 in words is "one trillion, two hundred twenty-seven billion, four hundred ninety million, six hundred ninety-five thousand, nine hundred forty-nine".