153968871861442 has 64 divisors (see below), whose sum is σ = 269444398095360. Its totient is φ = 65295614361600.

The previous prime is 153968871861359. The next prime is 153968871861461. The reversal of 153968871861442 is 244168178869351.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7526898 + ... + 19094290.

It is an arithmetic number, because the mean of its divisors is an integer number (4210068720240).

Almost surely, 2^{153968871861442} is an apocalyptic number.

153968871861442 is a deficient number, since it is larger than the sum of its proper divisors (115475526233918).

153968871861442 is a wasteful number, since it uses less digits than its factorization.

153968871861442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11568139.

The product of its digits is 557383680, while the sum is 73.

The spelling of 153968871861442 in words is "one hundred fifty-three trillion, nine hundred sixty-eight billion, eight hundred seventy-one million, eight hundred sixty-one thousand, four hundred forty-two".