1219349044 has 6 divisors (see below), whose sum is σ = 2133860834. Its totient is φ = 609674520.

The previous prime is 1219349029. The next prime is 1219349107. The reversal of 1219349044 is 4409439121.

It can be written as a sum of positive squares in only one way, i.e., 891739044 + 327610000 = 29862^2 + 18100^2 .

It is a super-2 number, since 2×1219349044² = 2973624182207427872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1219348994 and 1219349012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152418627 + ... + 152418634.

Almost surely, 2^1219349044 is an apocalyptic number.

It is an amenable number.

1219349044 is a deficient number, since it is larger than the sum of its proper divisors (914511790).

1219349044 is a wasteful number, since it uses less digits than its factorization.

1219349044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304837265 (or 304837263 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1219349044 is about 34919.1787417746. The cubic root of 1219349044 is about 1068.3396510268.

The spelling of 1219349044 in words is "one billion, two hundred nineteen million, three hundred forty-nine thousand, forty-four".