437004786949 has 2 divisors, whose sum is σ = 437004786950. Its totient is φ = 437004786948.

The previous prime is 437004786943. The next prime is 437004786971. The reversal of 437004786949 is 949687400734.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413554458724 + 23450328225 = 643082^2 + 153135^2 .

It is a cyclic number.

It is not a de Polignac number, because 437004786949 - 2²¹ = 437002689797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (437004786943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218502393474 + 218502393475.

It is an arithmetic number, because the mean of its divisors is an integer number (218502393475).

Almost surely, 2^437004786949 is an apocalyptic number.

It is an amenable number.

437004786949 is a deficient number, since it is larger than the sum of its proper divisors (1).

437004786949 is an equidigital number, since it uses as much as digits as its factorization.

437004786949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 437004786949 in words is "four hundred thirty-seven billion, four million, seven hundred eighty-six thousand, nine hundred forty-nine".