407934916447 has 2 divisors, whose sum is σ = 407934916448. Its totient is φ = 407934916446.

The previous prime is 407934916391. The next prime is 407934916451. The reversal of 407934916447 is 744619439704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 407934916447 - 2¹¹ = 407934914399 is a prime.

It is a super-2 number, since 2×407934916447² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 407934916391 and 407934916400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407934916547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203967458223 + 203967458224.

It is an arithmetic number, because the mean of its divisors is an integer number (203967458224).

Almost surely, 2^407934916447 is an apocalyptic number.

407934916447 is a deficient number, since it is larger than the sum of its proper divisors (1).

407934916447 is an equidigital number, since it uses as much as digits as its factorization.

407934916447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 407934916447 in words is "four hundred seven billion, nine hundred thirty-four million, nine hundred sixteen thousand, four hundred forty-seven".