42735267498949 has 2 divisors, whose sum is σ = 42735267498950. Its totient is φ = 42735267498948.

The previous prime is 42735267498923. The next prime is 42735267499003. The reversal of 42735267498949 is 94989476253724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23285623968324 + 19449643530625 = 4825518^2 + 4410175^2 .

It is a cyclic number.

It is not a de Polignac number, because 42735267498949 - 2³⁹ = 42185511685061 is a prime.

It is a super-2 number, since 2×42735267498949² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42735267498349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21367633749474 + 21367633749475.

It is an arithmetic number, because the mean of its divisors is an integer number (21367633749475).

Almost surely, 2^{42735267498949} is an apocalyptic number.

It is an amenable number.

42735267498949 is a deficient number, since it is larger than the sum of its proper divisors (1).

42735267498949 is an equidigital number, since it uses as much as digits as its factorization.

42735267498949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6584094720, while the sum is 79.

The spelling of 42735267498949 in words is "forty-two trillion, seven hundred thirty-five billion, two hundred sixty-seven million, four hundred ninety-eight thousand, nine hundred forty-nine".