1961114724 has 18 divisors (see below), whose sum is σ = 4957262310. Its totient is φ = 653704896.

The previous prime is 1961114719. The next prime is 1961114741. The reversal of 1961114724 is 4274111691.

1961114724 is a `hidden beast` number, since 1 + 9 + 611 + 14 + 7 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1950105600 + 11009124 = 44160^2 + 3318^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 54475409 = 1961114724 / (1 + 9 + 6 + 1 + 1 + 1 + 4 + 7 + 2 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27237669 + ... + 27237740.

Almost surely, 2^1961114724 is an apocalyptic number.

It is an amenable number.

1961114724 is an abundant number, since it is smaller than the sum of its proper divisors (2996147586).

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

1961114724 is a wasteful number, since it uses less digits than its factorization.

1961114724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54475419 (or 54475414 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 1961114724 is about 44284.4749771294. The cubic root of 1961114724 is about 1251.7021555345.

The spelling of 1961114724 in words is "one billion, nine hundred sixty-one million, one hundred fourteen thousand, seven hundred twenty-four".