434100749 has 2 divisors, whose sum is σ = 434100750. Its totient is φ = 434100748.

The previous prime is 434100731. The next prime is 434100773. The reversal of 434100749 is 947001434.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349129225 + 84971524 = 18685^2 + 9218^2 .

It is a cyclic number.

It is not a de Polignac number, because 434100749 - 2¹⁶ = 434035213 is a prime.

It is a super-2 number, since 2×434100749² = 376886920564722002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434103749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217050374 + 217050375.

It is an arithmetic number, because the mean of its divisors is an integer number (217050375).

Almost surely, 2^434100749 is an apocalyptic number.

It is an amenable number.

434100749 is a deficient number, since it is larger than the sum of its proper divisors (1).

434100749 is an equidigital number, since it uses as much as digits as its factorization.

434100749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 434100749 is about 20835.0845690628. The cubic root of 434100749 is about 757.1760091724.

The spelling of 434100749 in words is "four hundred thirty-four million, one hundred thousand, seven hundred forty-nine".