5401667842 has 4 divisors (see below), whose sum is σ = 8102501766. Its totient is φ = 2700833920.

The previous prime is 5401667837. The next prime is 5401667849. The reversal of 5401667842 is 2487661045.

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., 4475743801 + 925924041 = 66901^2 + 30429^2 .

It is not an unprimeable number, because it can be changed into a prime (5401667849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1350416959 + ... + 1350416962.

Almost surely, 2^5401667842 is an apocalyptic number.

5401667842 is a deficient number, since it is larger than the sum of its proper divisors (2700833924).

5401667842 is a wasteful number, since it uses less digits than its factorization.

5401667842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700833923.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 5401667842 is about 73496.0396347994. The cubic root of 5401667842 is about 1754.5912465424.

The spelling of 5401667842 in words is "five billion, four hundred one million, six hundred sixty-seven thousand, eight hundred forty-two".