1959613946 has 4 divisors (see below), whose sum is σ = 2939420922. Its totient is φ = 979806972.

The previous prime is 1959613939. The next prime is 1959613951. The reversal of 1959613946 is 6493169591.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6493169591 = 6287 ⋅1032793.

It can be written as a sum of positive squares in only one way, i.e., 1835179921 + 124434025 = 42839^2 + 11155^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 489903485 + ... + 489903488.

Almost surely, 2^1959613946 is an apocalyptic number.

1959613946 is a deficient number, since it is larger than the sum of its proper divisors (979806976).

1959613946 is an equidigital number, since it uses as much as digits as its factorization.

1959613946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979806975.

The product of its digits is 1574640, while the sum is 53.

The square root of 1959613946 is about 44267.5269921418. The cubic root of 1959613946 is about 1251.3827782554.

The spelling of 1959613946 in words is "one billion, nine hundred fifty-nine million, six hundred thirteen thousand, nine hundred forty-six".