70218690402 has 40 divisors (see below), whose sum is σ = 163833896016. Its totient is φ = 20062478856.

The previous prime is 70218690359. The next prime is 70218690407. The reversal of 70218690402 is 20409681207.

It is not an unprimeable number, because it can be changed into a prime (70218690407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2422728 + ... + 2451539.

Almost surely, 2^70218690402 is an apocalyptic number.

70218690402 is an abundant number, since it is smaller than the sum of its proper divisors (93615205614).

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

70218690402 is an equidigital number, since it uses as much as digits as its factorization.

70218690402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874300 (or 4874279 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 70218690402 in words is "seventy billion, two hundred eighteen million, six hundred ninety thousand, four hundred two".