704142638979 has 24 divisors (see below), whose sum is σ = 1021740825600. Its totient is φ = 431141005152.

The previous prime is 704142638923. The next prime is 704142639017. The reversal of 704142638979 is 979836241407.

It is not a de Polignac number, because 704142638979 - 2³¹ = 701995155331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (704142638779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3388659 + ... + 3590444.

It is an arithmetic number, because the mean of its divisors is an integer number (42572534400).

Almost surely, 2^704142638979 is an apocalyptic number.

704142638979 is a deficient number, since it is larger than the sum of its proper divisors (317598186621).

704142638979 is a wasteful number, since it uses less digits than its factorization.

704142638979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6979331 (or 6979318 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 60.

The spelling of 704142638979 in words is "seven hundred four billion, one hundred forty-two million, six hundred thirty-eight thousand, nine hundred seventy-nine".