981258414790442 has 8 divisors (see below), whose sum is σ = 1475210167609536. Its totient is φ = 489521692253932.

The previous prime is 981258414790411. The next prime is 981258414790457. The reversal of 981258414790442 is 244097414852189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×981258414790442² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553757569538 + ... + 553757571309.

It is an arithmetic number, because the mean of its divisors is an integer number (184401270951192).

Almost surely, 2^{981258414790442} is an apocalyptic number.

981258414790442 is a deficient number, since it is larger than the sum of its proper divisors (493951752819094).

981258414790442 is a wasteful number, since it uses less digits than its factorization.

981258414790442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107515141292.

The product of its (nonzero) digits is 185794560, while the sum is 68.

The spelling of 981258414790442 in words is "nine hundred eighty-one trillion, two hundred fifty-eight billion, four hundred fourteen million, seven hundred ninety thousand, four hundred forty-two".