1246946641 has 2 divisors, whose sum is σ = 1246946642. Its totient is φ = 1246946640.

The previous prime is 1246946563. The next prime is 1246946677. The reversal of 1246946641 is 1466496421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 882327616 + 364619025 = 29704^2 + 19095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1246946641 - 2¹⁵ = 1246913873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1246946941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623473320 + 623473321.

It is an arithmetic number, because the mean of its divisors is an integer number (623473321).

Almost surely, 2^1246946641 is an apocalyptic number.

It is an amenable number.

1246946641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1246946641 is an equidigital number, since it uses as much as digits as its factorization.

1246946641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The square root of 1246946641 is about 35312.1316405566. The cubic root of 1246946641 is about 1076.3395282101.

The spelling of 1246946641 in words is "one billion, two hundred forty-six million, nine hundred forty-six thousand, six hundred forty-one".