447299701669397 has 2 divisors, whose sum is σ = 447299701669398. Its totient is φ = 447299701669396.

The previous prime is 447299701669307. The next prime is 447299701669409. The reversal of 447299701669397 is 793966107992744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446535474280996 + 764227388401 = 21131386^2 + 874201^2 .

It is a cyclic number.

It is not a de Polignac number, because 447299701669397 - 2¹⁶ = 447299701603861 is a prime.

It is a super-2 number, since 2×447299701669397² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447299701669307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223649850834698 + 223649850834699.

It is an arithmetic number, because the mean of its divisors is an integer number (223649850834699).

Almost surely, 2^{447299701669397} is an apocalyptic number.

It is an amenable number.

447299701669397 is a deficient number, since it is larger than the sum of its proper divisors (1).

447299701669397 is an equidigital number, since it uses as much as digits as its factorization.

447299701669397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7777461888, while the sum is 83.

The spelling of 447299701669397 in words is "four hundred forty-seven trillion, two hundred ninety-nine billion, seven hundred one million, six hundred sixty-nine thousand, three hundred ninety-seven".