90257954645219 has 8 divisors (see below), whose sum is σ = 90406669139520. Its totient is φ = 90109248014016.

The previous prime is 90257954645197. The next prime is 90257954645231. The reversal of 90257954645219 is 91254645975209.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90257954645219 is a prime.

It is a super-2 number, since 2×90257954645219² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90257954641219) 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, 21235862 + ... + 25129220.

It is an arithmetic number, because the mean of its divisors is an integer number (11300833642440).

Almost surely, 2^{90257954645219} is an apocalyptic number.

90257954645219 is a deficient number, since it is larger than the sum of its proper divisors (148714494301).

90257954645219 is a wasteful number, since it uses less digits than its factorization.

90257954645219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931549.

The product of its (nonzero) digits is 244944000, while the sum is 68.

The spelling of 90257954645219 in words is "ninety trillion, two hundred fifty-seven billion, nine hundred fifty-four million, six hundred forty-five thousand, two hundred nineteen".