4195951783398 has 48 divisors (see below), whose sum is σ = 9339121059840. Its totient is φ = 1360531012608.

The previous prime is 4195951783391. The next prime is 4195951783489. The reversal of 4195951783398 is 8933871595914.

4195951783398 is a `hidden beast` number, since 4 + 19 + 5 + 9 + 517 + 8 + 3 + 3 + 98 = 666.

It is a super-2 number, since 2×4195951783398² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4195951783391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2122011 + ... + 3590937.

It is an arithmetic number, because the mean of its divisors is an integer number (194565022080).

Almost surely, 2^{4195951783398} is an apocalyptic number.

4195951783398 is an abundant number, since it is smaller than the sum of its proper divisors (5143169276442).

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

4195951783398 is a wasteful number, since it uses less digits than its factorization.

4195951783398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473261 (or 1473258 counting only the distinct ones).

The product of its digits is 293932800, while the sum is 72.

The spelling of 4195951783398 in words is "four trillion, one hundred ninety-five billion, nine hundred fifty-one million, seven hundred eighty-three thousand, three hundred ninety-eight".