67953541042 has 4 divisors (see below), whose sum is σ = 101930311566. Its totient is φ = 33976770520.

The previous prime is 67953541031. The next prime is 67953541049. The reversal of 67953541042 is 24014535976.

It is a happy number.

It is a Cunningham number, because it is equal to 260679²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67953541041 + 1 = 260679^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67953540983 and 67953541001.

It is not an unprimeable number, because it can be changed into a prime (67953541049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16988385259 + ... + 16988385262.

Almost surely, 2^67953541042 is an apocalyptic number.

67953541042 is a deficient number, since it is larger than the sum of its proper divisors (33976770524).

67953541042 is a wasteful number, since it uses less digits than its factorization.

67953541042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33976770523.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 67953541042 in words is "sixty-seven billion, nine hundred fifty-three million, five hundred forty-one thousand, forty-two".