1949467648311 has 10 divisors (see below), whose sum is σ = 2912167721672. Its totient is φ = 1299645098820.

The previous prime is 1949467648309. The next prime is 1949467648321. The reversal of 1949467648311 is 1138467649491.

1949467648311 is a `hidden beast` number, since 1 + 9 + 4 + 94 + 67 + 6 + 483 + 1 + 1 = 666.

It is not a de Polignac number, because 1949467648311 - 2¹ = 1949467648309 is a prime.

It is a super-2 number, since 2×1949467648311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949467648321) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12033750835 + ... + 12033750996.

Almost surely, 2^{1949467648311} is an apocalyptic number.

1949467648311 is a deficient number, since it is larger than the sum of its proper divisors (962700073361).

1949467648311 is an equidigital number, since it uses as much as digits as its factorization.

1949467648311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24067501843 (or 24067501834 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 1949467648311 in words is "one trillion, nine hundred forty-nine billion, four hundred sixty-seven million, six hundred forty-eight thousand, three hundred eleven".