642063102 has 16 divisors (see below), whose sum is σ = 1284652560. Its totient is φ = 213933312.

The previous prime is 642063091. The next prime is 642063113. The reversal of 642063102 is 201360246.

It is an interprime number because it is at equal distance from previous prime (642063091) and next prime (642063113).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5077 + ... + 36192.

It is an arithmetic number, because the mean of its divisors is an integer number (80290785).

Almost surely, 2^642063102 is an apocalyptic number.

642063102 is an abundant number, since it is smaller than the sum of its proper divisors (642589458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

642063102 is a wasteful number, since it uses less digits than its factorization.

642063102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43867.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 642063102 is about 25338.9641066876. The cubic root of 642063102 is about 862.6988866277.

The spelling of 642063102 in words is "six hundred forty-two million, sixty-three thousand, one hundred two".