2194098651 has 16 divisors (see below), whose sum is σ = 3252208800. Its totient is φ = 1461970944.

The previous prime is 2194098629. The next prime is 2194098653. The reversal of 2194098651 is 1568904912.

2194098651 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2194098651 - 2¹⁹ = 2193574363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2194098597 and 2194098606.

It is not an unprimeable number, because it can be changed into a prime (2194098653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34315 + ... + 74603.

It is an arithmetic number, because the mean of its divisors is an integer number (203263050).

Almost surely, 2^2194098651 is an apocalyptic number.

2194098651 is a deficient number, since it is larger than the sum of its proper divisors (1058110149).

2194098651 is a wasteful number, since it uses less digits than its factorization.

2194098651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42315 (or 42309 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 2194098651 is about 46841.2067628493. The cubic root of 2194098651 is about 1299.4274897224.

The spelling of 2194098651 in words is "two billion, one hundred ninety-four million, ninety-eight thousand, six hundred fifty-one".