1679924261 has 2 divisors, whose sum is σ = 1679924262. Its totient is φ = 1679924260.

The previous prime is 1679924227. The next prime is 1679924291. The reversal of 1679924261 is 1624299761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1629656161 + 50268100 = 40369^2 + 7090^2 .

It is a cyclic number.

It is not a de Polignac number, because 1679924261 - 2¹⁴ = 1679907877 is a prime.

It is a super-2 number, since 2×1679924261² = 5644291045392792242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1679924221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839962130 + 839962131.

It is an arithmetic number, because the mean of its divisors is an integer number (839962131).

Almost surely, 2^1679924261 is an apocalyptic number.

It is an amenable number.

1679924261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679924261 is an equidigital number, since it uses as much as digits as its factorization.

1679924261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 1679924261 is about 40986.8791322296. The cubic root of 1679924261 is about 1188.7665257324.

The spelling of 1679924261 in words is "one billion, six hundred seventy-nine million, nine hundred twenty-four thousand, two hundred sixty-one".