1149896919 has 16 divisors (see below), whose sum is σ = 1591824384. Its totient is φ = 737570400.

The previous prime is 1149896897. The next prime is 1149896939. The reversal of 1149896919 is 9196989411.

It is not a de Polignac number, because 1149896919 - 2⁵ = 1149896887 is a prime.

It is a super-2 number, since 2×1149896919² = 2644525848651385122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149896939) 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, 19647 + ... + 51824.

It is an arithmetic number, because the mean of its divisors is an integer number (99489024).

Almost surely, 2^1149896919 is an apocalyptic number.

1149896919 is a deficient number, since it is larger than the sum of its proper divisors (441927465).

1149896919 is a wasteful number, since it uses less digits than its factorization.

1149896919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71678.

The product of its digits is 1259712, while the sum is 57.

The square root of 1149896919 is about 33910.1300351385. The cubic root of 1149896919 is about 1047.6582487908.

The spelling of 1149896919 in words is "one billion, one hundred forty-nine million, eight hundred ninety-six thousand, nine hundred nineteen".