1954832642 has 8 divisors (see below), whose sum is σ = 3351141696. Its totient is φ = 837785412.

The previous prime is 1954832603. The next prime is 1954832647. The reversal of 1954832642 is 2462384591.

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

It is a junction number, because it is equal to n+sod(n) for n = 1954832593 and 1954832602.

It is not an unprimeable number, because it can be changed into a prime (1954832647) 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, 69815438 + ... + 69815465.

It is an arithmetic number, because the mean of its divisors is an integer number (418892712).

Almost surely, 2^1954832642 is an apocalyptic number.

1954832642 is a deficient number, since it is larger than the sum of its proper divisors (1396309054).

1954832642 is a wasteful number, since it uses less digits than its factorization.

1954832642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139630912.

The product of its digits is 414720, while the sum is 44.

The square root of 1954832642 is about 44213.4893669342. The cubic root of 1954832642 is about 1250.3641908417.

The spelling of 1954832642 in words is "one billion, nine hundred fifty-four million, eight hundred thirty-two thousand, six hundred forty-two".