60642109 has 4 divisors (see below), whose sum is σ = 66155040. Its totient is φ = 55129180.

The previous prime is 60642073. The next prime is 60642133. The reversal of 60642109 is 90124606.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60642109 - 2¹⁷ = 60511037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60642199) 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, 2756449 + ... + 2756470.

It is an arithmetic number, because the mean of its divisors is an integer number (16538760).

Almost surely, 2^60642109 is an apocalyptic number.

It is an amenable number.

60642109 is a deficient number, since it is larger than the sum of its proper divisors (5512931).

60642109 is a wasteful number, since it uses less digits than its factorization.

60642109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5512930.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 60642109 is about 7787.3043474620. The cubic root of 60642109 is about 392.8783515477.

The spelling of 60642109 in words is "sixty million, six hundred forty-two thousand, one hundred nine".