90754045709 has 8 divisors (see below), whose sum is σ = 96142784760. Its totient is φ = 85370891776.

The previous prime is 90754045703. The next prime is 90754045741.

90754045709 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 43045875625 + 47708170084 = 207475^2 + 218422^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90754045709 - 2³⁶ = 22034568973 is a prime.

It is a super-2 number, since 2×90754045709² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90754045703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362794 + ... + 1427835.

It is an arithmetic number, because the mean of its divisors is an integer number (12017848095).

Almost surely, 2^90754045709 is an apocalyptic number.

It is an amenable number.

90754045709 is a deficient number, since it is larger than the sum of its proper divisors (5388739051).

90754045709 is a wasteful number, since it uses less digits than its factorization.

90754045709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792559.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 90754045709 in words is "ninety billion, seven hundred fifty-four million, forty-five thousand, seven hundred nine".