1959613947 has 12 divisors (see below), whose sum is σ = 2830937824. Its totient is φ = 1306231920.

The previous prime is 1959613939. The next prime is 1959613951. The reversal of 1959613947 is 7493169591.

1959613947 is a `hidden beast` number, since 1 + 9 + 596 + 1 + 3 + 9 + 47 = 666.

It is not a de Polignac number, because 1959613947 - 2³ = 1959613939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1959613893 and 1959613902.

It is not an unprimeable number, because it can be changed into a prime (1959613147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117297 + ... + 132957.

Almost surely, 2^1959613947 is an apocalyptic number.

1959613947 is a deficient number, since it is larger than the sum of its proper divisors (871323877).

1959613947 is a wasteful number, since it uses less digits than its factorization.

1959613947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29570 (or 29567 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 1959613947 is about 44267.5270034367. The cubic root of 1959613947 is about 1251.3827784683.

The spelling of 1959613947 in words is "one billion, nine hundred fifty-nine million, six hundred thirteen thousand, nine hundred forty-seven".