1642614427201 has 4 divisors (see below), whose sum is σ = 1791943011504. Its totient is φ = 1493285842900.

The previous prime is 1642614427189. The next prime is 1642614427243. The reversal of 1642614427201 is 1027244162461.

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 1642614427201 - 2⁵ = 1642614427169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1642614457201) 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, 74664292135 + ... + 74664292156.

It is an arithmetic number, because the mean of its divisors is an integer number (447985752876).

Almost surely, 2^{1642614427201} is an apocalyptic number.

1642614427201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1642614427201 is a deficient number, since it is larger than the sum of its proper divisors (149328584303).

1642614427201 is a wasteful number, since it uses less digits than its factorization.

1642614427201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149328584302.

The product of its (nonzero) digits is 129024, while the sum is 40.

Adding to 1642614427201 its reverse (1027244162461), we get a palindrome (2669858589662).

The spelling of 1642614427201 in words is "one trillion, six hundred forty-two billion, six hundred fourteen million, four hundred twenty-seven thousand, two hundred one".