1019149464 has 64 divisors (see below), whose sum is σ = 2615366880. Its totient is φ = 330752000.

The previous prime is 1019149463. The next prime is 1019149487. The reversal of 1019149464 is 4649419101.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019149463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748144 + ... + 749504.

Almost surely, 2^1019149464 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 1019149464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307683440).

1019149464 is an abundant number, since it is smaller than the sum of its proper divisors (1596217416).

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

1019149464 is a wasteful number, since it uses less digits than its factorization.

1019149464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172 (or 2168 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1019149464 is about 31924.1204107490. The cubic root of 1019149464 is about 1006.3428380118.

The spelling of 1019149464 in words is "one billion, nineteen million, one hundred forty-nine thousand, four hundred sixty-four".