1969496536 has 64 divisors (see below), whose sum is σ = 4344943680. Its totient is φ = 819486720.

The previous prime is 1969496533. The next prime is 1969496537. The reversal of 1969496536 is 6356949691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1969496533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284476 + ... + 291316.

It is an arithmetic number, because the mean of its divisors is an integer number (67889745).

Almost surely, 2^1969496536 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 1969496536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2172471840).

1969496536 is an abundant number, since it is smaller than the sum of its proper divisors (2375447144).

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

1969496536 is a wasteful number, since it uses less digits than its factorization.

1969496536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7004 (or 7000 counting only the distinct ones).

The product of its digits is 9447840, while the sum is 58.

The square root of 1969496536 is about 44379.0100835970. The cubic root of 1969496536 is about 1253.4828809657.

The spelling of 1969496536 in words is "one billion, nine hundred sixty-nine million, four hundred ninety-six thousand, five hundred thirty-six".