1097429779404 has 36 divisors (see below), whose sum is σ = 3170352696784. Its totient is φ = 313551365472.

The previous prime is 1097429779399. The next prime is 1097429779429. The reversal of 1097429779404 is 4049779247901.

1097429779404 is a `hidden beast` number, since 1 + 0 + 9 + 74 + 2 + 97 + 79 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2177439787 + ... + 2177440290.

Almost surely, 2^{1097429779404} is an apocalyptic number.

1097429779404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1097429779404 is an abundant number, since it is smaller than the sum of its proper divisors (2072922917380).

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

1097429779404 is a wasteful number, since it uses less digits than its factorization.

1097429779404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354880094 (or 4354880089 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 63.

The spelling of 1097429779404 in words is "one trillion, ninety-seven billion, four hundred twenty-nine million, seven hundred seventy-nine thousand, four hundred four".