1642852013 has 4 divisors (see below), whose sum is σ = 1792202208. Its totient is φ = 1493501820.

The previous prime is 1642852007. The next prime is 1642852019. The reversal of 1642852013 is 3102582461.

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 an interprime number because it is at equal distance from previous prime (1642852007) and next prime (1642852019).

It is a cyclic number.

It is not a de Polignac number, because 1642852013 - 2⁶ = 1642851949 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 (1642852019) 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, 74675081 + ... + 74675102.

It is an arithmetic number, because the mean of its divisors is an integer number (448050552).

Almost surely, 2^1642852013 is an apocalyptic number.

It is an amenable number.

1642852013 is a deficient number, since it is larger than the sum of its proper divisors (149350195).

1642852013 is a wasteful number, since it uses less digits than its factorization.

1642852013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149350194.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1642852013 is about 40532.1108875420. The cubic root of 1642852013 is about 1179.9569104729.

The spelling of 1642852013 in words is "one billion, six hundred forty-two million, eight hundred fifty-two thousand, thirteen".