1042771979698 has 32 divisors (see below), whose sum is σ = 1594585440000. Its totient is φ = 511296529920.

The previous prime is 1042771979693. The next prime is 1042771979731. The reversal of 1042771979698 is 8969791772401.

It is a super-2 number, since 2×1042771979698² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1042771979693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96556503 + ... + 96567301.

It is an arithmetic number, because the mean of its divisors is an integer number (49830795000).

Almost surely, 2^{1042771979698} is an apocalyptic number.

1042771979698 is a deficient number, since it is larger than the sum of its proper divisors (551813460302).

1042771979698 is a wasteful number, since it uses less digits than its factorization.

1042771979698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13170.

The product of its (nonzero) digits is 96018048, while the sum is 70.

The spelling of 1042771979698 in words is "one trillion, forty-two billion, seven hundred seventy-one million, nine hundred seventy-nine thousand, six hundred ninety-eight".