2190648794234 has 8 divisors (see below), whose sum is σ = 3286180203348. Its totient is φ = 1095255393120.

The previous prime is 2190648794231. The next prime is 2190648794251. The reversal of 2190648794234 is 4324978460912.

It can be written as a sum of positive squares in 2 ways, for example, as 1998363913225 + 192284881009 = 1413635^2 + 438503^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2190648794231) 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, 34462307 + ... + 34525814.

Almost surely, 2^{2190648794234} is an apocalyptic number.

2190648794234 is a deficient number, since it is larger than the sum of its proper divisors (1095531409114).

2190648794234 is a wasteful number, since it uses less digits than its factorization.

2190648794234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69004000.

The product of its (nonzero) digits is 20901888, while the sum is 59.

The spelling of 2190648794234 in words is "two trillion, one hundred ninety billion, six hundred forty-eight million, seven hundred ninety-four thousand, two hundred thirty-four".