1642614427237 has 12 divisors (see below), whose sum is σ = 1912348675776. Its totient is φ = 1406811422520.

The previous prime is 1642614427189. The next prime is 1642614427243. The reversal of 1642614427237 is 7327244162461.

It is a de Polignac number, because none of the positive numbers 2^k-1642614427237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642614427837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13555743 + ... + 13676380.

It is an arithmetic number, because the mean of its divisors is an integer number (159362389648).

Almost surely, 2^{1642614427237} is an apocalyptic number.

It is an amenable number.

1642614427237 is a deficient number, since it is larger than the sum of its proper divisors (269734248539).

1642614427237 is a wasteful number, since it uses less digits than its factorization.

1642614427237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27233368 (or 27233361 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 49.

Adding to 1642614427237 its reverse (7327244162461), we get a palindrome (8969858589698).

The spelling of 1642614427237 in words is "one trillion, six hundred forty-two billion, six hundred fourteen million, four hundred twenty-seven thousand, two hundred thirty-seven".