2395537801978 has 16 divisors (see below), whose sum is σ = 3601771971840. Its totient is φ = 1194947401536.

The previous prime is 2395537801973. The next prime is 2395537801991. The reversal of 2395537801978 is 8791087355932.

It is not an unprimeable number, because it can be changed into a prime (2395537801973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23798551 + ... + 23898997.

It is an arithmetic number, because the mean of its divisors is an integer number (225110748240).

Almost surely, 2^{2395537801978} is an apocalyptic number.

2395537801978 is a deficient number, since it is larger than the sum of its proper divisors (1206234169862).

2395537801978 is a wasteful number, since it uses less digits than its factorization.

2395537801978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128421.

The product of its (nonzero) digits is 114307200, while the sum is 67.

The spelling of 2395537801978 in words is "two trillion, three hundred ninety-five billion, five hundred thirty-seven million, eight hundred one thousand, nine hundred seventy-eight".