1969052316 has 96 divisors (see below), whose sum is σ = 5769738240. Its totient is φ = 507729600.

The previous prime is 1969052303. The next prime is 1969052329. The reversal of 1969052316 is 6132509691.

It is an interprime number because it is at equal distance from previous prime (1969052303) and next prime (1969052329).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120771 + ... + 136101.

It is an arithmetic number, because the mean of its divisors is an integer number (60101440).

Almost surely, 2^1969052316 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 1969052316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2884869120).

1969052316 is an abundant number, since it is smaller than the sum of its proper divisors (3800685924).

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

1969052316 is a wasteful number, since it uses less digits than its factorization.

1969052316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15495 (or 15493 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 1969052316 is about 44374.0049578579. The cubic root of 1969052316 is about 1253.3886328462.

The spelling of 1969052316 in words is "one billion, nine hundred sixty-nine million, fifty-two thousand, three hundred sixteen".