2218639970402 has 8 divisors (see below), whose sum is σ = 3503115742800. Its totient is φ = 1050934722804.

The previous prime is 2218639970387. The next prime is 2218639970419. The reversal of 2218639970402 is 2040799368122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29192631152 + ... + 29192631227.

It is an arithmetic number, because the mean of its divisors is an integer number (437889467850).

Almost surely, 2^{2218639970402} is an apocalyptic number.

2218639970402 is a deficient number, since it is larger than the sum of its proper divisors (1284475772398).

2218639970402 is a wasteful number, since it uses less digits than its factorization.

2218639970402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58385262400.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 2218639970402 in words is "two trillion, two hundred eighteen billion, six hundred thirty-nine million, nine hundred seventy thousand, four hundred two".