1642325011 has 8 divisors (see below), whose sum is σ = 1656942080. Its totient is φ = 1627734528.

The previous prime is 1642324973. The next prime is 1642325023. The reversal of 1642325011 is 1105232461.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1642325011 - 2¹⁹ = 1641800723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1642325081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129715 + ... + 141811.

It is an arithmetic number, because the mean of its divisors is an integer number (207117760).

Almost surely, 2^1642325011 is an apocalyptic number.

1642325011 is a deficient number, since it is larger than the sum of its proper divisors (14617069).

1642325011 is a wasteful number, since it uses less digits than its factorization.

1642325011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13293.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1642325011 is about 40525.6093229948. The cubic root of 1642325011 is about 1179.8307262212.

Adding to 1642325011 its reverse (1105232461), we get a palindrome (2747557472).

The spelling of 1642325011 in words is "one billion, six hundred forty-two million, three hundred twenty-five thousand, eleven".