1219493053 has 8 divisors (see below), whose sum is σ = 1249924536. Its totient is φ = 1189094400.

The previous prime is 1219492993. The next prime is 1219493071. The reversal of 1219493053 is 3503949121.

It can be written as a sum of positive squares in 4 ways, for example, as 116057529 + 1103435524 = 10773^2 + 33218^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1219493053 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 (1219493083) 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, 78175 + ... + 92467.

It is an arithmetic number, because the mean of its divisors is an integer number (156240567).

Almost surely, 2^1219493053 is an apocalyptic number.

It is an amenable number.

1219493053 is a deficient number, since it is larger than the sum of its proper divisors (30431483).

1219493053 is a wasteful number, since it uses less digits than its factorization.

1219493053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16415.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 1219493053 is about 34921.2407139265. The cubic root of 1219493053 is about 1068.3817074746.

The spelling of 1219493053 in words is "one billion, two hundred nineteen million, four hundred ninety-three thousand, fifty-three".