993081649074 has 32 divisors (see below), whose sum is σ = 2023994456064. Its totient is φ = 324750362880.

The previous prime is 993081649051. The next prime is 993081649099. The reversal of 993081649074 is 470946180399.

It is a super-2 number, since 2×993081649074² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 993081648999 and 993081649017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3402039 + ... + 3682394.

It is an arithmetic number, because the mean of its divisors is an integer number (63249826752).

Almost surely, 2^993081649074 is an apocalyptic number.

993081649074 is an abundant number, since it is smaller than the sum of its proper divisors (1030912806990).

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

993081649074 is a wasteful number, since it uses less digits than its factorization.

993081649074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7084882.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 993081649074 in words is "nine hundred ninety-three billion, eighty-one million, six hundred forty-nine thousand, seventy-four".