1975934642 has 8 divisors (see below), whose sum is σ = 3233347632. Its totient is φ = 898152100.

The previous prime is 1975934641. The next prime is 1975934671. The reversal of 1975934642 is 2464395791.

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

It is not an unprimeable number, because it can be changed into a prime (1975934641) 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, 44907584 + ... + 44907627.

It is an arithmetic number, because the mean of its divisors is an integer number (404168454).

Almost surely, 2^1975934642 is an apocalyptic number.

1975934642 is a deficient number, since it is larger than the sum of its proper divisors (1257412990).

1975934642 is a wasteful number, since it uses less digits than its factorization.

1975934642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89815224.

The product of its digits is 1632960, while the sum is 50.

The square root of 1975934642 is about 44451.4863868465. The cubic root of 1975934642 is about 1254.8472361053.

The spelling of 1975934642 in words is "one billion, nine hundred seventy-five million, nine hundred thirty-four thousand, six hundred forty-two".