1641374747 has 2 divisors, whose sum is σ = 1641374748. Its totient is φ = 1641374746.

The previous prime is 1641374719. The next prime is 1641374753. The reversal of 1641374747 is 7474731461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1641374747 - 2⁸ = 1641374491 is a prime.

It is a super-2 number, since 2×1641374747² = 5388222120178628018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1641374698 and 1641374707.

It is not a weakly prime, because it can be changed into another prime (1641374347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820687373 + 820687374.

It is an arithmetic number, because the mean of its divisors is an integer number (820687374).

Almost surely, 2^1641374747 is an apocalyptic number.

1641374747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641374747 is an equidigital number, since it uses as much as digits as its factorization.

1641374747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 44.

The square root of 1641374747 is about 40513.8833858222. The cubic root of 1641374747 is about 1179.6031287677.

The spelling of 1641374747 in words is "one billion, six hundred forty-one million, three hundred seventy-four thousand, seven hundred forty-seven".