1219472696 has 64 divisors (see below), whose sum is σ = 2720692800. Its totient is φ = 506677248.

The previous prime is 1219472663. The next prime is 1219472731. The reversal of 1219472696 is 6962749121.

It is a super-2 number, since 2×1219472696² = 2974227312579016832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1219472696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25670 + ... + 55658.

It is an arithmetic number, because the mean of its divisors is an integer number (42510825).

Almost surely, 2^1219472696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1219472696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360346400).

1219472696 is an abundant number, since it is smaller than the sum of its proper divisors (1501220104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1219472696 is a wasteful number, since it uses less digits than its factorization.

1219472696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30048 (or 30044 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 1219472696 is about 34920.9492425392. The cubic root of 1219472696 is about 1068.3757626089.

The spelling of 1219472696 in words is "one billion, two hundred nineteen million, four hundred seventy-two thousand, six hundred ninety-six".