1642093007 has 4 divisors (see below), whose sum is σ = 1643339280. Its totient is φ = 1640846736.

The previous prime is 1642092983. The next prime is 1642093021. The reversal of 1642093007 is 7003902461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7003902461 = 83 ⋅84384367.

It is a cyclic number.

It is not a de Polignac number, because 1642093007 - 2⁶ = 1642092943 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 (1642093207) 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, 621158 + ... + 623795.

It is an arithmetic number, because the mean of its divisors is an integer number (410834820).

Almost surely, 2^1642093007 is an apocalyptic number.

1642093007 is a deficient number, since it is larger than the sum of its proper divisors (1246273).

1642093007 is a wasteful number, since it uses less digits than its factorization.

1642093007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246272.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1642093007 is about 40522.7467849849. The cubic root of 1642093007 is about 1179.7751671131.

Adding to 1642093007 its reverse (7003902461), we get a palindrome (8645995468).

The spelling of 1642093007 in words is "one billion, six hundred forty-two million, ninety-three thousand, seven".