407018749 has 2 divisors, whose sum is σ = 407018750. Its totient is φ = 407018748.

The previous prime is 407018737. The next prime is 407018761. The reversal of 407018749 is 947810704.

It is a balanced prime because it is at equal distance from previous prime (407018737) and next prime (407018761).

It can be written as a sum of positive squares in only one way, i.e., 253382724 + 153636025 = 15918^2 + 12395^2 .

It is a cyclic number.

It is not a de Polignac number, because 407018749 - 2⁷ = 407018621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407048749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203509374 + 203509375.

It is an arithmetic number, because the mean of its divisors is an integer number (203509375).

Almost surely, 2^407018749 is an apocalyptic number.

It is an amenable number.

407018749 is a deficient number, since it is larger than the sum of its proper divisors (1).

407018749 is an equidigital number, since it uses as much as digits as its factorization.

407018749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 407018749 is about 20174.7056731938. The cubic root of 407018749 is about 741.0908849739.

The spelling of 407018749 in words is "four hundred seven million, eighteen thousand, seven hundred forty-nine".