1679617054 has 4 divisors (see below), whose sum is σ = 2519425584. Its totient is φ = 839808526.

The previous prime is 1679617031. The next prime is 1679617057. The reversal of 1679617054 is 4507169761.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1679617054² = 5642226896175277832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1679616995 and 1679617013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679617057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419904262 + ... + 419904265.

It is an arithmetic number, because the mean of its divisors is an integer number (629856396).

Almost surely, 2^1679617054 is an apocalyptic number.

1679617054 is a deficient number, since it is larger than the sum of its proper divisors (839808530).

1679617054 is an equidigital number, since it uses as much as digits as its factorization.

1679617054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839808529.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 1679617054 is about 40983.1313347333. The cubic root of 1679617054 is about 1188.6940582468.

The spelling of 1679617054 in words is "one billion, six hundred seventy-nine million, six hundred seventeen thousand, fifty-four".