1074021399658 has 8 divisors (see below), whose sum is σ = 1617300707652. Its totient is φ = 534921163776.

The previous prime is 1074021399623. The next prime is 1074021399667. The reversal of 1074021399658 is 8569931204701.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 879969696489 + 194051703169 = 938067^2 + 440513^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1074021399599 and 1074021399608.

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, 1044767385 + ... + 1044768412.

It is a 1-persistent number, because it is pandigital, but 2⋅1074021399658 = 2148042799316 is not.

Almost surely, 2^{1074021399658} is an apocalyptic number.

1074021399658 is a deficient number, since it is larger than the sum of its proper divisors (543279307994).

1074021399658 is a wasteful number, since it uses less digits than its factorization.

1074021399658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089536056.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 1074021399658 in words is "one trillion, seventy-four billion, twenty-one million, three hundred ninety-nine thousand, six hundred fifty-eight".