1642364495 has 4 divisors (see below), whose sum is σ = 1970837400. Its totient is φ = 1313891592.

The previous prime is 1642364491. The next prime is 1642364513. The reversal of 1642364495 is 5944632461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5944632461 = 16963 ⋅350447.

It is a cyclic number.

It is not a de Polignac number, because 1642364495 - 2² = 1642364491 is a prime.

It is a super-2 number, since 2×1642364495² = 5394722268873210050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642364491) 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, 164236445 + ... + 164236454.

It is an arithmetic number, because the mean of its divisors is an integer number (492709350).

Almost surely, 2^1642364495 is an apocalyptic number.

1642364495 is a deficient number, since it is larger than the sum of its proper divisors (328472905).

1642364495 is an equidigital number, since it uses as much as digits as its factorization.

1642364495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328472904.

The product of its digits is 622080, while the sum is 44.

The square root of 1642364495 is about 40526.0964688187. The cubic root of 1642364495 is about 1179.8401811226.

The spelling of 1642364495 in words is "one billion, six hundred forty-two million, three hundred sixty-four thousand, four hundred ninety-five".