449770687 has 2 divisors, whose sum is σ = 449770688. Its totient is φ = 449770686.

The previous prime is 449770663. The next prime is 449770691. The reversal of 449770687 is 786077944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449770687 - 2¹¹ = 449768639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449771687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224885343 + 224885344.

It is an arithmetic number, because the mean of its divisors is an integer number (224885344).

Almost surely, 2^449770687 is an apocalyptic number.

449770687 is a deficient number, since it is larger than the sum of its proper divisors (1).

449770687 is an equidigital number, since it uses as much as digits as its factorization.

449770687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The square root of 449770687 is about 21207.7977876063. The cubic root of 449770687 is about 766.1792438216.

The spelling of 449770687 in words is "four hundred forty-nine million, seven hundred seventy thousand, six hundred eighty-seven".