1959981446 has 8 divisors (see below), whose sum is σ = 2995443504. Its totient is φ = 961500280.

The previous prime is 1959981437. The next prime is 1959981449. The reversal of 1959981446 is 6441899591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1959981391 and 1959981400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1959981449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9245090 + ... + 9245301.

It is an arithmetic number, because the mean of its divisors is an integer number (374430438).

Almost surely, 2^1959981446 is an apocalyptic number.

1959981446 is a deficient number, since it is larger than the sum of its proper divisors (1035462058).

1959981446 is a wasteful number, since it uses less digits than its factorization.

1959981446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18490446.

The product of its digits is 2799360, while the sum is 56.

The square root of 1959981446 is about 44271.6776957910. The cubic root of 1959981446 is about 1251.4610001975.

The spelling of 1959981446 in words is "one billion, nine hundred fifty-nine million, nine hundred eighty-one thousand, four hundred forty-six".