1961736594 has 64 divisors (see below), whose sum is σ = 4116147840. Its totient is φ = 622702080.

The previous prime is 1961736587. The next prime is 1961736599. The reversal of 1961736594 is 4956371691.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1961736599) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4941204 + ... + 4941600.

It is an arithmetic number, because the mean of its divisors is an integer number (64314810).

Almost surely, 2^1961736594 is an apocalyptic number.

1961736594 is an abundant number, since it is smaller than the sum of its proper divisors (2154411246).

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

1961736594 is a wasteful number, since it uses less digits than its factorization.

1961736594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875.

The product of its digits is 1224720, while the sum is 51.

The square root of 1961736594 is about 44291.4957299931. The cubic root of 1961736594 is about 1251.8344465810.

The spelling of 1961736594 in words is "one billion, nine hundred sixty-one million, seven hundred thirty-six thousand, five hundred ninety-four".