1963068149 has 16 divisors (see below), whose sum is σ = 2452110336. Its totient is φ = 1532563200.

The previous prime is 1963068139. The next prime is 1963068167. The reversal of 1963068149 is 9418603691.

1963068149 = 7582² + 7583² + ... + 7615².

It is not a de Polignac number, because 1963068149 - 2²⁰ = 1962019573 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 (1963068139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262382 + ... + 269759.

It is an arithmetic number, because the mean of its divisors is an integer number (153256896).

Almost surely, 2^1963068149 is an apocalyptic number.

It is an amenable number.

1963068149 is a deficient number, since it is larger than the sum of its proper divisors (489042187).

1963068149 is a wasteful number, since it uses less digits than its factorization.

1963068149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532196.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 1963068149 is about 44306.5249032239. The cubic root of 1963068149 is about 1252.1176156573.

The spelling of 1963068149 in words is "one billion, nine hundred sixty-three million, sixty-eight thousand, one hundred forty-nine".