42102305030902 has 4 divisors (see below), whose sum is σ = 63153457546356. Its totient is φ = 21051152515450.

The previous prime is 42102305030887. The next prime is 42102305030917. The reversal of 42102305030902 is 20903050320124.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42102305030887) and next prime (42102305030917).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10525576257724 + ... + 10525576257727.

It is an arithmetic number, because the mean of its divisors is an integer number (15788364386589).

Almost surely, 2^{42102305030902} is an apocalyptic number.

42102305030902 is a deficient number, since it is larger than the sum of its proper divisors (21051152515454).

42102305030902 is a wasteful number, since it uses less digits than its factorization.

42102305030902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21051152515453.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 42102305030902 in words is "forty-two trillion, one hundred two billion, three hundred five million, thirty thousand, nine hundred two".