101493549858 has 32 divisors (see below), whose sum is σ = 213881803200. Its totient is φ = 32018918976.

The previous prime is 101493549811. The next prime is 101493549863. The reversal of 101493549858 is 858945394101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 101493549798 and 101493549807.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 323953 + ... + 554916.

It is an arithmetic number, because the mean of its divisors is an integer number (6683806350).

Almost surely, 2^101493549858 is an apocalyptic number.

101493549858 is an abundant number, since it is smaller than the sum of its proper divisors (112388253342).

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

101493549858 is a wasteful number, since it uses less digits than its factorization.

101493549858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879906.

The product of its (nonzero) digits is 6220800, while the sum is 57.

The spelling of 101493549858 in words is "one hundred one billion, four hundred ninety-three million, five hundred forty-nine thousand, eight hundred fifty-eight".