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49922174881 is a prime number
BaseRepresentation
bin101110011111100101…
…111110111110100001
311202212011101020122001
4232133211332332201
51304220034044011
634533421244001
73415055325235
oct563745767641
9152764336561
1049922174881
111a198847977
129812a03601
1349278c1567
1425b82725c5
151472b207c1
hexb9f97efa1

49922174881 has 2 divisors, whose sum is σ = 49922174882. Its totient is φ = 49922174880.

The previous prime is 49922174879. The next prime is 49922174917. The reversal of 49922174881 is 18847122994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48759705856 + 1162469025 = 220816^2 + 34095^2 .

It is a cyclic number.

It is not a de Polignac number, because 49922174881 - 21 = 49922174879 is a prime.

It is a super-2 number, since 2×499221748812 (a number of 22 digits) contains 22 as substring.

Together with 49922174879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (49922174821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24961087440 + 24961087441.

It is an arithmetic number, because the mean of its divisors is an integer number (24961087441).

Almost surely, 249922174881 is an apocalyptic number.

It is an amenable number.

49922174881 is a deficient number, since it is larger than the sum of its proper divisors (1).

49922174881 is an equidigital number, since it uses as much as digits as its factorization.

49922174881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 55.

The spelling of 49922174881 in words is "forty-nine billion, nine hundred twenty-two million, one hundred seventy-four thousand, eight hundred eighty-one".