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2572788899491 is a prime number
BaseRepresentation
bin100101011100000110001…
…010110001111010100011
3100002221211002012202221221
4211130012022301322203
5314123032424240431
65245531202555511
7353610051550366
oct45340612617243
910087732182857
102572788899491
11902128296868
12356759968b97
131587c786b275
148c748c600dd
1546dcdeb7111
hex257062b1ea3

2572788899491 has 2 divisors, whose sum is σ = 2572788899492. Its totient is φ = 2572788899490.

The previous prime is 2572788899489. The next prime is 2572788899531. The reversal of 2572788899491 is 1949988872752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2572788899491 - 21 = 2572788899489 is a prime.

It is a super-2 number, since 2×25727888994912 (a number of 26 digits) contains 22 as substring.

Together with 2572788899489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2572788899431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286394449745 + 1286394449746.

It is an arithmetic number, because the mean of its divisors is an integer number (1286394449746).

Almost surely, 22572788899491 is an apocalyptic number.

2572788899491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2572788899491 is an equidigital number, since it uses as much as digits as its factorization.

2572788899491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1463132160, while the sum is 79.

The spelling of 2572788899491 in words is "two trillion, five hundred seventy-two billion, seven hundred eighty-eight million, eight hundred ninety-nine thousand, four hundred ninety-one".