1969957496 has 64 divisors (see below), whose sum is σ = 4117236480. Its totient is φ = 877501440.

The previous prime is 1969957447. The next prime is 1969957513. The reversal of 1969957496 is 6947599691.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1795220 + ... + 1796316.

It is an arithmetic number, because the mean of its divisors is an integer number (64331820).

Almost surely, 2^1969957496 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 1969957496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2058618240).

1969957496 is an abundant number, since it is smaller than the sum of its proper divisors (2147278984).

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

1969957496 is a wasteful number, since it uses less digits than its factorization.

1969957496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704 (or 1700 counting only the distinct ones).

The product of its digits is 33067440, while the sum is 65.

The square root of 1969957496 is about 44384.2032259226. The cubic root of 1969957496 is about 1253.5806657524.

The spelling of 1969957496 in words is "one billion, nine hundred sixty-nine million, nine hundred fifty-seven thousand, four hundred ninety-six".